Add UDP probes in anticipation of DNS monitoring #534

Job	Run time
Platform (aarch64) / Build	5m 53s
Platform (x86_64) / Build	1m 8s
Test (x86_64) / Kernel (amazonlinux2)	8m 56s
Test (x86_64) / Kernel (centos)	4m 9s
Test (x86_64) / Kernel (debian)	8m 56s
Test (x86_64) / Kernel (fedora)	7m 6s
Test (x86_64) / Kernel (mainline)	8m 56s
Test (x86_64) / Kernel (rocky)	4m 11s
Test (x86_64) / Kernel (ubuntu-aws)	8m 57s
Test (x86_64) / Kernel (ubuntu-azure)	8m 55s
Test (x86_64) / Kernel (ubuntu-gcp)	8m 55s
Test (x86_64) / Kernel (ubuntu-gke)	3m 56s
Test (x86_64) / Kernel (ubuntu-oem)	8m 57s
Test (x86_64) / Kernel (ubuntu-oracle)	8m 57s
Test (aarch64) / Kernel (amazonlinux2)	4m 10s
Test (aarch64) / Kernel (debian)	4m 11s
Test (aarch64) / Kernel (fedora)	4m 11s
Test (aarch64) / Kernel (mainline)	4m 11s
Test (aarch64) / Kernel (rocky)	4m 8s
Test (aarch64) / Kernel (ubuntu-aws)	4m 10s
Test (aarch64) / Kernel (ubuntu-azure)	4m 11s
Test (aarch64) / Kernel (ubuntu-gcp)	4m 10s
Test (aarch64) / Kernel (ubuntu-gke)	4m 10s
Test (aarch64) / Kernel (ubuntu-oracle)	4m 11s
CI Merge Auditor	1s
	2h 19m 36s

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