Add UDP probes in anticipation of DNS monitoring #533

Job	Run time
Platform (aarch64) / Build	5m 57s
Platform (x86_64) / Build	1m 17s
Test (x86_64) / Kernel (amazonlinux2)	13m 30s
Test (x86_64) / Kernel (centos)	4m 29s
Test (x86_64) / Kernel (debian)	13m 30s
Test (x86_64) / Kernel (fedora)	6m 57s
Test (x86_64) / Kernel (mainline)	13m 29s
Test (x86_64) / Kernel (rocky)	4m 27s
Test (x86_64) / Kernel (ubuntu-aws)	13m 31s
Test (x86_64) / Kernel (ubuntu-azure)	13m 31s
Test (x86_64) / Kernel (ubuntu-gcp)	13m 32s
Test (x86_64) / Kernel (ubuntu-gke)	4m 10s
Test (x86_64) / Kernel (ubuntu-oem)	11m 16s
Test (x86_64) / Kernel (ubuntu-oracle)	13m 29s
Test (aarch64) / Kernel (amazonlinux2)	8m 5s
Test (aarch64) / Kernel (debian)	2m 38s
Test (aarch64) / Kernel (fedora)	2m 30s
Test (aarch64) / Kernel (mainline)	8m 52s
Test (aarch64) / Kernel (rocky)	2m 19s
Test (aarch64) / Kernel (ubuntu-aws)	7m 58s
Test (aarch64) / Kernel (ubuntu-azure)	7m 58s
Test (aarch64) / Kernel (ubuntu-gcp)	3m 3s
Test (aarch64) / Kernel (ubuntu-gke)	2m 33s
Test (aarch64) / Kernel (ubuntu-oracle)	6m 27s
CI Merge Auditor	1s
	3h 5m 29s

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