Add UDP probes in anticipation of DNS monitoring #538

Job	Run time
Platform (x86_64) / Build	1m 14s
Platform (aarch64) / Build	5m 54s
Test (x86_64) / Kernel (amazonlinux2)	27m 35s
Test (x86_64) / Kernel (centos)	3m 54s
Test (x86_64) / Kernel (debian)	15m 34s
Test (x86_64) / Kernel (fedora)	7m 6s
Test (x86_64) / Kernel (mainline)	40m 37s
Test (x86_64) / Kernel (rocky)	4m 24s
Test (x86_64) / Kernel (ubuntu-aws)	43m 25s
Test (x86_64) / Kernel (ubuntu-azure)	45m 30s
Test (x86_64) / Kernel (ubuntu-gcp)	33m 47s
Test (x86_64) / Kernel (ubuntu-gke)	3m 52s
Test (x86_64) / Kernel (ubuntu-oem)	11m 7s
Test (x86_64) / Kernel (ubuntu-oracle)	29m 43s
Test (aarch64) / Kernel (amazonlinux2)	38m 37s
Test (aarch64) / Kernel (debian)	6m 27s
Test (aarch64) / Kernel (fedora)	9m 57s
Test (aarch64) / Kernel (mainline)	57m 50s
Test (aarch64) / Kernel (rocky)	5m 41s
Test (aarch64) / Kernel (ubuntu-aws)	39m 49s
Test (aarch64) / Kernel (ubuntu-azure)	40m 8s
Test (aarch64) / Kernel (ubuntu-gcp)	9m 38s
Test (aarch64) / Kernel (ubuntu-gke)	5m 23s
Test (aarch64) / Kernel (ubuntu-oracle)	31m 4s
CI Merge Auditor	0s
	8h 38m 16s

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