diff --git a/build/images/codegen/Dockerfile b/build/images/codegen/Dockerfile
index c04af21bc51..0d1205ef6fc 100644
--- a/build/images/codegen/Dockerfile
+++ b/build/images/codegen/Dockerfile
@@ -46,7 +46,7 @@ RUN go install k8s.io/code-generator/cmd/client-gen@kubernetes-$K8S_VERSION && \
     go install k8s.io/kube-openapi/cmd/openapi-gen@$KUBEOPENAPI_VERSION && \
     go install k8s.io/code-generator/cmd/go-to-protobuf@kubernetes-$K8S_VERSION && \
     go install k8s.io/code-generator/cmd/go-to-protobuf/protoc-gen-gogo@kubernetes-$K8S_VERSION && \
-    go install go.uber.org/mock/mockgen@v0.3.0 && \
+    go install go.uber.org/mock/mockgen@v0.4.0 && \
     go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.33.0 && \
     go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.3.0 && \
     go install golang.org/x/tools/cmd/goimports@latest && \
diff --git a/build/images/codegen/README.md b/build/images/codegen/README.md
index 20ade95d481..32c8c3c5011 100644
--- a/build/images/codegen/README.md
+++ b/build/images/codegen/README.md
@@ -22,6 +22,7 @@ Here is the table of codegen images that have been uploaded:
 
 | Tag                       | Change                                                                        |
 | :------------------------ | ----------------------------------------------------------------------------- |
+| kubernetes-1.29.2-build.2 | Upgraded go.uber.org/mock/mockgen to v0.4.0                                   |
 | kubernetes-1.29.2-build.1 | Upgraded controller-gen to v0.14.0                                            |
 | kubernetes-1.29.2-build.0 | Upgraded protoc (v26.0), protoc-gen-go (v1.33.0), protoc-gen-go-grpc (v1.3.0) |
 | kubernetes-1.29.2         | Upgraded K8s libraries to v1.29.2                                             |
diff --git a/hack/update-codegen.sh b/hack/update-codegen.sh
index 5fd01353c74..ecf52f320bd 100755
--- a/hack/update-codegen.sh
+++ b/hack/update-codegen.sh
@@ -22,7 +22,7 @@ function echoerr {
 }
 
 ANTREA_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )/../" && pwd )"
-IMAGE_NAME="antrea/codegen:kubernetes-1.29.2-build.1"
+IMAGE_NAME="antrea/codegen:kubernetes-1.29.2-build.2"
 
 # We will use git clone to make a working copy of the repository into a
 # temporary directory. This requires that all changes have been committed
diff --git a/multicluster/controllers/multicluster/commonarea/mock_remote_common_area.go b/multicluster/controllers/multicluster/commonarea/mock_remote_common_area.go
index 362147565fd..dadd6078272 100644
--- a/multicluster/controllers/multicluster/commonarea/mock_remote_common_area.go
+++ b/multicluster/controllers/multicluster/commonarea/mock_remote_common_area.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination multicluster/controllers/multicluster/commonarea/mock_remote_common_area.go -package commonarea antrea.io/antrea/multicluster/controllers/multicluster/commonarea CommonArea,RemoteCommonArea,ImportReconciler,RemoteCommonAreaGetter
 //
+
 // Package commonarea is a generated GoMock package.
 package commonarea
 
diff --git a/multicluster/controllers/multicluster/leader/mock_membercluster_status_manager.go b/multicluster/controllers/multicluster/leader/mock_membercluster_status_manager.go
index f4bedd483c5..cfc4e8add42 100644
--- a/multicluster/controllers/multicluster/leader/mock_membercluster_status_manager.go
+++ b/multicluster/controllers/multicluster/leader/mock_membercluster_status_manager.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination multicluster/controllers/multicluster/leader/mock_membercluster_status_manager.go -package leader antrea.io/antrea/multicluster/controllers/multicluster/leader MemberClusterStatusManager
 //
+
 // Package leader is a generated GoMock package.
 package leader
 
diff --git a/multicluster/hack/update-codegen.sh b/multicluster/hack/update-codegen.sh
index bce4f8ce66e..49c19f34625 100755
--- a/multicluster/hack/update-codegen.sh
+++ b/multicluster/hack/update-codegen.sh
@@ -22,7 +22,7 @@ function echoerr {
 }
 
 ANTREA_ROOT="$( cd "$( dirname "${BASH_SOURCE[0]}" )/../../" && pwd )"
-IMAGE_NAME="antrea/codegen:kubernetes-1.29.2-build.1"
+IMAGE_NAME="antrea/codegen:kubernetes-1.29.2-build.2"
 
 # We will use git clone to make a working copy of the repository into a
 # temporary directory. This requires that all changes have been committed
diff --git a/pkg/agent/cniserver/ipam/testing/mock_ipam.go b/pkg/agent/cniserver/ipam/testing/mock_ipam.go
index 0bc23f34456..8c8b845cd3c 100644
--- a/pkg/agent/cniserver/ipam/testing/mock_ipam.go
+++ b/pkg/agent/cniserver/ipam/testing/mock_ipam.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/cniserver/ipam/testing/mock_ipam.go -package testing antrea.io/antrea/pkg/agent/cniserver/ipam IPAMDriver
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/cniserver/testing/mock_cniserver.go b/pkg/agent/cniserver/testing/mock_cniserver.go
index 5f9e85b06d3..3f9de1f37e9 100644
--- a/pkg/agent/cniserver/testing/mock_cniserver.go
+++ b/pkg/agent/cniserver/testing/mock_cniserver.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/cniserver/testing/mock_cniserver.go -package testing antrea.io/antrea/pkg/agent/cniserver SriovNet
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/flowexporter/connections/testing/mock_connections.go b/pkg/agent/flowexporter/connections/testing/mock_connections.go
index 737be2853cf..45fd05ebcf1 100644
--- a/pkg/agent/flowexporter/connections/testing/mock_connections.go
+++ b/pkg/agent/flowexporter/connections/testing/mock_connections.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/flowexporter/connections/testing/mock_connections.go -package testing antrea.io/antrea/pkg/agent/flowexporter/connections ConnTrackDumper,NetFilterConnTrack
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/interfacestore/testing/mock_interfacestore.go b/pkg/agent/interfacestore/testing/mock_interfacestore.go
index 11bb47da8a1..e45da47f514 100644
--- a/pkg/agent/interfacestore/testing/mock_interfacestore.go
+++ b/pkg/agent/interfacestore/testing/mock_interfacestore.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/interfacestore/testing/mock_interfacestore.go -package testing antrea.io/antrea/pkg/agent/interfacestore InterfaceStore
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/ipassigner/testing/mock_ipassigner.go b/pkg/agent/ipassigner/testing/mock_ipassigner.go
index 340a96fbc6b..f301347ee5e 100644
--- a/pkg/agent/ipassigner/testing/mock_ipassigner.go
+++ b/pkg/agent/ipassigner/testing/mock_ipassigner.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/ipassigner/testing/mock_ipassigner.go -package testing antrea.io/antrea/pkg/agent/ipassigner IPAssigner
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/memberlist/mock_memberlist_test.go b/pkg/agent/memberlist/mock_memberlist_test.go
index 7bd4c868114..6def0232239 100644
--- a/pkg/agent/memberlist/mock_memberlist_test.go
+++ b/pkg/agent/memberlist/mock_memberlist_test.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/memberlist/mock_memberlist_test.go -package memberlist antrea.io/antrea/pkg/agent/memberlist Memberlist
 //
+
 // Package memberlist is a generated GoMock package.
 package memberlist
 
diff --git a/pkg/agent/memberlist/testing/mock_memberlist.go b/pkg/agent/memberlist/testing/mock_memberlist.go
index e5a136d45c6..ff081a3cb29 100644
--- a/pkg/agent/memberlist/testing/mock_memberlist.go
+++ b/pkg/agent/memberlist/testing/mock_memberlist.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/memberlist/testing/mock_memberlist.go -package testing antrea.io/antrea/pkg/agent/memberlist Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/monitortool/testing/mock_monitortool.go b/pkg/agent/monitortool/testing/mock_monitortool.go
index 5631dbb5ce6..027e13d027b 100644
--- a/pkg/agent/monitortool/testing/mock_monitortool.go
+++ b/pkg/agent/monitortool/testing/mock_monitortool.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/monitortool/testing/mock_monitortool.go -package testing antrea.io/antrea/pkg/agent/monitortool PacketListener
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/multicast/testing/mock_multicast.go b/pkg/agent/multicast/testing/mock_multicast.go
index 277876ca2da..c0fc9e3450a 100644
--- a/pkg/agent/multicast/testing/mock_multicast.go
+++ b/pkg/agent/multicast/testing/mock_multicast.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/multicast/testing/mock_multicast.go -package testing antrea.io/antrea/pkg/agent/multicast RouteInterface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/nodeportlocal/portcache/testing/mock_portcache.go b/pkg/agent/nodeportlocal/portcache/testing/mock_portcache.go
index 8153444d329..6ccda3910c4 100644
--- a/pkg/agent/nodeportlocal/portcache/testing/mock_portcache.go
+++ b/pkg/agent/nodeportlocal/portcache/testing/mock_portcache.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/nodeportlocal/portcache/testing/mock_portcache.go -package testing antrea.io/antrea/pkg/agent/nodeportlocal/portcache LocalPortOpener
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/nodeportlocal/rules/testing/mock_rules.go b/pkg/agent/nodeportlocal/rules/testing/mock_rules.go
index eae0fbadaed..1e3365f5ae4 100644
--- a/pkg/agent/nodeportlocal/rules/testing/mock_rules.go
+++ b/pkg/agent/nodeportlocal/rules/testing/mock_rules.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/nodeportlocal/rules/testing/mock_rules.go -package testing antrea.io/antrea/pkg/agent/nodeportlocal/rules PodPortRules
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/openflow/operations/testing/mock_operations.go b/pkg/agent/openflow/operations/testing/mock_operations.go
index dd86a8ac43c..1369da2155e 100644
--- a/pkg/agent/openflow/operations/testing/mock_operations.go
+++ b/pkg/agent/openflow/operations/testing/mock_operations.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/openflow/operations/testing/mock_operations.go -package testing antrea.io/antrea/pkg/agent/openflow/operations OFEntryOperations
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/openflow/testing/mock_openflow.go b/pkg/agent/openflow/testing/mock_openflow.go
index cb1f4cb8cbc..99c21e47119 100644
--- a/pkg/agent/openflow/testing/mock_openflow.go
+++ b/pkg/agent/openflow/testing/mock_openflow.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/openflow/testing/mock_openflow.go -package testing antrea.io/antrea/pkg/agent/openflow Client
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/proxy/testing/mock_proxy.go b/pkg/agent/proxy/testing/mock_proxy.go
index b9a79ad615d..88a7919161c 100644
--- a/pkg/agent/proxy/testing/mock_proxy.go
+++ b/pkg/agent/proxy/testing/mock_proxy.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/proxy/testing/mock_proxy.go -package testing antrea.io/antrea/pkg/agent/proxy Proxier
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/querier/testing/mock_querier.go b/pkg/agent/querier/testing/mock_querier.go
index 3d6a1e9a08f..ea590282081 100644
--- a/pkg/agent/querier/testing/mock_querier.go
+++ b/pkg/agent/querier/testing/mock_querier.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/querier/testing/mock_querier.go -package testing antrea.io/antrea/pkg/agent/querier AgentQuerier
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/route/testing/mock_route.go b/pkg/agent/route/testing/mock_route.go
index 6153d2f3d0c..220eec914a7 100644
--- a/pkg/agent/route/testing/mock_route.go
+++ b/pkg/agent/route/testing/mock_route.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/route/testing/mock_route.go -package testing antrea.io/antrea/pkg/agent/route Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/secondarynetwork/podwatch/testing/mock_podwatch.go b/pkg/agent/secondarynetwork/podwatch/testing/mock_podwatch.go
index c788599c03e..58514d07279 100644
--- a/pkg/agent/secondarynetwork/podwatch/testing/mock_podwatch.go
+++ b/pkg/agent/secondarynetwork/podwatch/testing/mock_podwatch.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/secondarynetwork/podwatch/testing/mock_podwatch.go -package testing antrea.io/antrea/pkg/agent/secondarynetwork/podwatch InterfaceConfigurator,IPAMAllocator
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/servicecidr/testing/mock_servicecidr.go b/pkg/agent/servicecidr/testing/mock_servicecidr.go
index 37e136de94e..54d4c1ccdb3 100644
--- a/pkg/agent/servicecidr/testing/mock_servicecidr.go
+++ b/pkg/agent/servicecidr/testing/mock_servicecidr.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/servicecidr/testing/mock_servicecidr.go -package testing antrea.io/antrea/pkg/agent/servicecidr Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/types/testing/mock_types.go b/pkg/agent/types/testing/mock_types.go
index 7bad906b8e3..fae58481155 100644
--- a/pkg/agent/types/testing/mock_types.go
+++ b/pkg/agent/types/testing/mock_types.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/types/testing/mock_types.go -package testing antrea.io/antrea/pkg/agent/types McastNetworkPolicyController
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/util/ipset/testing/mock_ipset.go b/pkg/agent/util/ipset/testing/mock_ipset.go
index 204c5ca12ec..7c5b46b56b0 100644
--- a/pkg/agent/util/ipset/testing/mock_ipset.go
+++ b/pkg/agent/util/ipset/testing/mock_ipset.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/util/ipset/testing/mock_ipset.go -package testing antrea.io/antrea/pkg/agent/util/ipset Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/util/iptables/testing/mock_iptables_linux.go b/pkg/agent/util/iptables/testing/mock_iptables_linux.go
index 00c30f50390..c26e7e3ca39 100644
--- a/pkg/agent/util/iptables/testing/mock_iptables_linux.go
+++ b/pkg/agent/util/iptables/testing/mock_iptables_linux.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/util/iptables/testing/mock_iptables_linux.go -package testing antrea.io/antrea/pkg/agent/util/iptables Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/util/netlink/testing/mock_netlink_linux.go b/pkg/agent/util/netlink/testing/mock_netlink_linux.go
index e8353d9f8c1..be9d25a36c2 100644
--- a/pkg/agent/util/netlink/testing/mock_netlink_linux.go
+++ b/pkg/agent/util/netlink/testing/mock_netlink_linux.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/util/netlink/testing/mock_netlink_linux.go -package testing antrea.io/antrea/pkg/agent/util/netlink Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/util/winnet/testing/mock_net_windows.go b/pkg/agent/util/winnet/testing/mock_net_windows.go
index 8a68cf026d9..a8328902b71 100644
--- a/pkg/agent/util/winnet/testing/mock_net_windows.go
+++ b/pkg/agent/util/winnet/testing/mock_net_windows.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/util/winnet/testing/mock_net_windows.go -package testing antrea.io/antrea/pkg/agent/util/winnet Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/agent/wireguard/testing/mock_wireguard.go b/pkg/agent/wireguard/testing/mock_wireguard.go
index 6ec8881740b..8c345d9e3e9 100644
--- a/pkg/agent/wireguard/testing/mock_wireguard.go
+++ b/pkg/agent/wireguard/testing/mock_wireguard.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/agent/wireguard/testing/mock_wireguard.go -package testing antrea.io/antrea/pkg/agent/wireguard Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/antctl/mock_antctl_test.go b/pkg/antctl/mock_antctl_test.go
index e7e66a9f1c7..408dbc5b207 100644
--- a/pkg/antctl/mock_antctl_test.go
+++ b/pkg/antctl/mock_antctl_test.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/antctl/mock_antctl_test.go -package antctl antrea.io/antrea/pkg/antctl AntctlClient
 //
+
 // Package antctl is a generated GoMock package.
 package antctl
 
diff --git a/pkg/controller/networkpolicy/testing/mock_networkpolicy.go b/pkg/controller/networkpolicy/testing/mock_networkpolicy.go
index bc90e3769a2..8c1cfebed49 100644
--- a/pkg/controller/networkpolicy/testing/mock_networkpolicy.go
+++ b/pkg/controller/networkpolicy/testing/mock_networkpolicy.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/controller/networkpolicy/testing/mock_networkpolicy.go -package testing antrea.io/antrea/pkg/controller/networkpolicy EndpointQuerier,PolicyRuleQuerier
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/controller/querier/testing/mock_querier.go b/pkg/controller/querier/testing/mock_querier.go
index 0a633ecadf4..14a0b75cb13 100644
--- a/pkg/controller/querier/testing/mock_querier.go
+++ b/pkg/controller/querier/testing/mock_querier.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/controller/querier/testing/mock_querier.go -package testing antrea.io/antrea/pkg/controller/querier ControllerQuerier
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/flowaggregator/exporter/testing/mock_exporter.go b/pkg/flowaggregator/exporter/testing/mock_exporter.go
index 8307816b5a8..d4a1dcb7c71 100644
--- a/pkg/flowaggregator/exporter/testing/mock_exporter.go
+++ b/pkg/flowaggregator/exporter/testing/mock_exporter.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/flowaggregator/exporter/testing/mock_exporter.go -package testing antrea.io/antrea/pkg/flowaggregator/exporter Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/flowaggregator/querier/testing/mock_querier.go b/pkg/flowaggregator/querier/testing/mock_querier.go
index addaaa96514..84763c89659 100644
--- a/pkg/flowaggregator/querier/testing/mock_querier.go
+++ b/pkg/flowaggregator/querier/testing/mock_querier.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/flowaggregator/querier/testing/mock_querier.go -package testing antrea.io/antrea/pkg/flowaggregator/querier FlowAggregatorQuerier
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/flowaggregator/s3uploader/testing/mock_s3uploader.go b/pkg/flowaggregator/s3uploader/testing/mock_s3uploader.go
index 2fe015c7cef..7284d412455 100644
--- a/pkg/flowaggregator/s3uploader/testing/mock_s3uploader.go
+++ b/pkg/flowaggregator/s3uploader/testing/mock_s3uploader.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/flowaggregator/s3uploader/testing/mock_s3uploader.go -package testing antrea.io/antrea/pkg/flowaggregator/s3uploader S3UploaderAPI
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/ipfix/testing/mock_ipfix.go b/pkg/ipfix/testing/mock_ipfix.go
index 4c9126ff722..455a28cb1f2 100644
--- a/pkg/ipfix/testing/mock_ipfix.go
+++ b/pkg/ipfix/testing/mock_ipfix.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/ipfix/testing/mock_ipfix.go -package testing antrea.io/antrea/pkg/ipfix IPFIXExportingProcess,IPFIXRegistry,IPFIXCollectingProcess,IPFIXAggregationProcess
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/ovs/openflow/testing/mock_openflow.go b/pkg/ovs/openflow/testing/mock_openflow.go
index 8e7558383f2..1241cf1d888 100644
--- a/pkg/ovs/openflow/testing/mock_openflow.go
+++ b/pkg/ovs/openflow/testing/mock_openflow.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/ovs/openflow/testing/mock_openflow.go -package testing antrea.io/antrea/pkg/ovs/openflow Bridge,Table,Flow,Action,CTAction,FlowBuilder,Group,BucketBuilder,PacketOutBuilder,Meter,MeterBandBuilder
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/ovs/ovsconfig/testing/mock_ovsconfig.go b/pkg/ovs/ovsconfig/testing/mock_ovsconfig.go
index a545e307d20..d293b6a0e86 100644
--- a/pkg/ovs/ovsconfig/testing/mock_ovsconfig.go
+++ b/pkg/ovs/ovsconfig/testing/mock_ovsconfig.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/ovs/ovsconfig/testing/mock_ovsconfig.go -package testing antrea.io/antrea/pkg/ovs/ovsconfig OVSBridgeClient
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/ovs/ovsctl/mock_ovsctl_test.go b/pkg/ovs/ovsctl/mock_ovsctl_test.go
index 36d57597f75..c004d24242d 100644
--- a/pkg/ovs/ovsctl/mock_ovsctl_test.go
+++ b/pkg/ovs/ovsctl/mock_ovsctl_test.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/ovs/ovsctl/mock_ovsctl_test.go -package ovsctl antrea.io/antrea/pkg/ovs/ovsctl OVSOfctlRunner,OVSAppctlRunner
 //
+
 // Package ovsctl is a generated GoMock package.
 package ovsctl
 
diff --git a/pkg/ovs/ovsctl/testing/mock_ovsctl.go b/pkg/ovs/ovsctl/testing/mock_ovsctl.go
index e6866efaabb..c93c2a29dd2 100644
--- a/pkg/ovs/ovsctl/testing/mock_ovsctl.go
+++ b/pkg/ovs/ovsctl/testing/mock_ovsctl.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/ovs/ovsctl/testing/mock_ovsctl.go -package testing antrea.io/antrea/pkg/ovs/ovsctl OVSCtlClient
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/querier/testing/mock_querier.go b/pkg/querier/testing/mock_querier.go
index 03541e73b4a..fe30070ba73 100644
--- a/pkg/querier/testing/mock_querier.go
+++ b/pkg/querier/testing/mock_querier.go
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/querier/testing/mock_querier.go -package testing antrea.io/antrea/pkg/querier AgentNetworkPolicyInfoQuerier,AgentMulticastInfoQuerier,EgressQuerier
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/pkg/util/podstore/testing/mock_podstore.go b/pkg/util/podstore/testing/mock_podstore.go
index 165b3a7c8c4..859ffb30563 100644
--- a/pkg/util/podstore/testing/mock_podstore.go
+++ b/pkg/util/podstore/testing/mock_podstore.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination pkg/util/podstore/testing/mock_podstore.go -package testing antrea.io/antrea/pkg/util/podstore Interface
 //
+
 // Package testing is a generated GoMock package.
 package testing
 
diff --git a/third_party/proxy/testing/mock_proxy.go b/third_party/proxy/testing/mock_proxy.go
index 4b2269bce7c..acd35eb7b47 100644
--- a/third_party/proxy/testing/mock_proxy.go
+++ b/third_party/proxy/testing/mock_proxy.go
@@ -1,4 +1,4 @@
-// Copyright 2023 Antrea Authors
+// Copyright 2024 Antrea Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@
 //
 //	mockgen -copyright_file hack/boilerplate/license_header.raw.txt -destination third_party/proxy/testing/mock_proxy.go -package testing antrea.io/antrea/third_party/proxy Provider
 //
+
 // Package testing is a generated GoMock package.
 package testing