Add UDP probes in anticipation of DNS monitoring #541

Job	Run time
Platform (aarch64) / Build	5m 56s
Platform (x86_64) / Build	1m 6s
Test (x86_64) / Kernel (amazonlinux2)	28m 6s
Test (x86_64) / Kernel (centos)	3m 53s
Test (x86_64) / Kernel (debian)	15m 38s
Test (x86_64) / Kernel (fedora)	6m 48s
Test (x86_64) / Kernel (mainline)	2h 35m 36s
Test (x86_64) / Kernel (rocky)	4m 25s
Test (x86_64) / Kernel (ubuntu-aws)	43m 59s
Test (x86_64) / Kernel (ubuntu-azure)	2h 35m 33s
Test (x86_64) / Kernel (ubuntu-gcp)	34m 56s
Test (x86_64) / Kernel (ubuntu-gke)	3m 50s
Test (x86_64) / Kernel (ubuntu-oem)	11m 9s
Test (x86_64) / Kernel (ubuntu-oracle)	29m 46s
Test (aarch64) / Kernel (amazonlinux2)	38m 27s
Test (aarch64) / Kernel (debian)	6m 29s
Test (aarch64) / Kernel (fedora)	9m 57s
Test (aarch64) / Kernel (mainline)	56m 26s
Test (aarch64) / Kernel (rocky)	5m 26s
Test (aarch64) / Kernel (ubuntu-aws)	40m 20s
Test (aarch64) / Kernel (ubuntu-azure)	41m 4s
Test (aarch64) / Kernel (ubuntu-gcp)	10m 1s
Test (aarch64) / Kernel (ubuntu-gke)	5m 43s
Test (aarch64) / Kernel (ubuntu-oracle)	30m 53s
CI Merge Auditor	1s
	12h 25m 28s

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