Add UDP probes in anticipation of DNS monitoring #547

Job	Run time
Platform (aarch64) / Build	6m 12s
Platform (x86_64) / Build	1m 8s
Test (x86_64) / Kernel (amazonlinux2)	28m 29s
Test (x86_64) / Kernel (centos)	4m 11s
Test (x86_64) / Kernel (debian)	15m 43s
Test (x86_64) / Kernel (fedora)	6m 55s
Test (x86_64) / Kernel (mainline)	40m 43s
Test (x86_64) / Kernel (rocky)	4m 23s
Test (x86_64) / Kernel (ubuntu-aws)	43m 49s
Test (x86_64) / Kernel (ubuntu-azure)	45m 49s
Test (x86_64) / Kernel (ubuntu-gcp)	33m 47s
Test (x86_64) / Kernel (ubuntu-gke)	4m 10s
Test (x86_64) / Kernel (ubuntu-oem)	10m 49s
Test (x86_64) / Kernel (ubuntu-oracle)	29m 30s
Test (aarch64) / Kernel (amazonlinux2)	38m 23s
Test (aarch64) / Kernel (debian)	6m 18s
Test (aarch64) / Kernel (fedora)	9m 53s
Test (aarch64) / Kernel (mainline)	55m 23s
Test (aarch64) / Kernel (rocky)	4m 34s
Test (aarch64) / Kernel (ubuntu-aws)	41m 2s
Test (aarch64) / Kernel (ubuntu-azure)	40m 10s
Test (aarch64) / Kernel (ubuntu-gcp)	9m 48s
Test (aarch64) / Kernel (ubuntu-gke)	5m 32s
Test (aarch64) / Kernel (ubuntu-oracle)	30m 39s
CI Merge Auditor	0s
	8h 37m 20s

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