added helper for transient errors #2140

Job	Run time
linux-shared-libs	4m 14s
downstream	41m 7s
byo-crypto	2m 47s
clang-sanitizers (,address,undefined)	4m 57s
localhost-test-macos (kqueue)	8m 48s
windows-vc17 (x86)	4m 13s
localhost-test-linux	7m 32s
windows-vc17 (x64)	4m 21s
clang-sanitizers (,thread)	5m 42s
macos-x64	5m 46s
macos (dispatch_queue)	5m 38s
windows	5m 37s
windows-shared-libs	4m 34s
windows-app-verifier	7m 7s
localhost-test-win	8m 17s
linux-compat (al2-x64)	4m 39s
linux-compat (manylinux1-x86)	4m 33s
localhost-test-macos (dispatch_queue)	7m 2s
linux-compat (manylinux2014-x64)	3m 33s
macos (kqueue)	5m 8s
linux-compat (fedora-34-x64)	3m 23s
linux-compat (manylinux1-x64)	3m 40s
linux-compat (manylinux2014-x86)	4m 45s
linux-compat (rhel8-x64)	3m 53s
linux-compiler-compat (clang-15)	4m 40s
linux-compiler-compat (gcc-4.8)	3m 57s
linux-compiler-compat (clang-8)	7m 8s
linux-compiler-compat (gcc-11)	5m 12s
linux-compat (opensuse-leap)	5m 59s
linux-compiler-compat (gcc-6)	4m 1s
linux-compiler-compat (gcc-8)	4m 26s
linux-compiler-compat (clang-10)	5m 49s
linux-compiler-compat (gcc-5)	4m 21s
linux-compiler-compat (gcc-7)	4m 13s
linux-compiler-compat (clang-6)	6m 39s
linux-compiler-compat (clang-17)	5m 52s
linux-compiler-compat (clang-9)	6m 36s
linux-compiler-compat (clang-11)	4m 45s
linux-compiler-compat (gcc-13, --cmake-extra=-DCMAKE_EXE_LINKER_FLAGS="-lresolv")	10m 41s
	4h 5m 35s

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