Add UDP probes in anticipation of DNS monitoring #532

Job	Run time
Platform (aarch64) / Build	6m 27s
Platform (x86_64) / Build	1m 21s
Test (x86_64) / Kernel (amazonlinux2)	27m 55s
Test (x86_64) / Kernel (centos)	4m 3s
Test (x86_64) / Kernel (debian)	15m 38s
Test (x86_64) / Kernel (fedora)	6m 51s
Test (x86_64) / Kernel (mainline)	47m 53s
Test (x86_64) / Kernel (rocky)	4m 25s
Test (x86_64) / Kernel (ubuntu-aws)	43m 20s
Test (x86_64) / Kernel (ubuntu-azure)	47m 55s
Test (x86_64) / Kernel (ubuntu-gcp)	34m 2s
Test (x86_64) / Kernel (ubuntu-gke)	4m 4s
Test (x86_64) / Kernel (ubuntu-oem)	11m 4s
Test (x86_64) / Kernel (ubuntu-oracle)	28m 49s
Test (aarch64) / Kernel (amazonlinux2)	38m 30s
Test (aarch64) / Kernel (debian)	6m 24s
Test (aarch64) / Kernel (fedora)	10m 9s
Test (aarch64) / Kernel (mainline)	42m 49s
Test (aarch64) / Kernel (rocky)	5m 24s
Test (aarch64) / Kernel (ubuntu-aws)	41m 50s
Test (aarch64) / Kernel (ubuntu-azure)	40m 45s
Test (aarch64) / Kernel (ubuntu-gcp)	10m 16s
Test (aarch64) / Kernel (ubuntu-gke)	5m 31s
Test (aarch64) / Kernel (ubuntu-oracle)	31m 31s
CI Merge Auditor	1s
	8h 36m 57s

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