Add UDP probes in anticipation of DNS monitoring #535

Job	Run time
Platform (x86_64) / Build	1m 14s
Platform (aarch64) / Build	5m 54s
Test (x86_64) / Kernel (amazonlinux2)	14m 22s
Test (x86_64) / Kernel (centos)	4m 11s
Test (x86_64) / Kernel (debian)	14m 23s
Test (x86_64) / Kernel (fedora)	7m 3s
Test (x86_64) / Kernel (mainline)	12m 37s
Test (x86_64) / Kernel (rocky)	4m 27s
Test (x86_64) / Kernel (ubuntu-aws)	14m 22s
Test (x86_64) / Kernel (ubuntu-azure)	14m 21s
Test (x86_64) / Kernel (ubuntu-gcp)	14m 21s
Test (x86_64) / Kernel (ubuntu-gke)	3m 54s
Test (x86_64) / Kernel (ubuntu-oem)	11m 9s
Test (x86_64) / Kernel (ubuntu-oracle)	14m 23s
Test (aarch64) / Kernel (amazonlinux2)	9m 41s
Test (aarch64) / Kernel (debian)	6m 26s
Test (aarch64) / Kernel (fedora)	9m 45s
Test (aarch64) / Kernel (mainline)	9m 43s
Test (aarch64) / Kernel (rocky)	6m 2s
Test (aarch64) / Kernel (ubuntu-aws)	9m 41s
Test (aarch64) / Kernel (ubuntu-azure)	9m 42s
Test (aarch64) / Kernel (ubuntu-gcp)	9m 42s
Test (aarch64) / Kernel (ubuntu-gke)	5m 28s
Test (aarch64) / Kernel (ubuntu-oracle)	9m 41s
CI Merge Auditor	1s
	3h 42m 33s

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