Add trace, use 127.0.0.1 #2850

Job	Run time
downstream	2m 3s
clang-sanitizers (,thread)	2m 47s
linux-byo-crypto	1m 38s
clang-sanitizers (,address,undefined)	2m 50s
linux-compat (manylinux1-x64)	1m 54s
linux-compat (manylinux1-x86)	1m 59s
linux-compiler-compat (clang-3)	2m 7s
linux-compat (manylinux2014-x64)	2m 0s
linux-shared-libs	2m 9s
linux-compiler-compat (clang-6)	2m 20s
linux-compat (manylinux2014-x86)	2m 20s
linux-compiler-compat (clang-8)	2m 21s
linux-compat (fedora-34-x64)	1m 49s
linux-compiler-compat (clang-9)	2m 20s
linux-compat (opensuse-leap)	1m 53s
linux-compiler-compat (clang-10)	1m 32s
linux-debug	1m 43s
linux-compiler-compat (clang-11)	2m 20s
linux-compat (rhel8-x64)	1m 42s
linux-compiler-compat (gcc-4.8)	2m 11s
linux-compat (al2-x64)	1m 44s
windows	4m 55s
linux-compiler-compat (gcc-5)	1m 31s
linux-compiler-compat (gcc-6)	1m 31s
windows-app-verifier	4m 37s
linux-compiler-compat (gcc-7)	2m 5s
linux-compiler-compat (gcc-8)	1m 32s
windows-shared-libs	5m 36s
windows-vc14 (x86)	3m 15s
windows-debug	4m 22s
windows-vc14 (x64)	3m 41s
freebsd	2m 53s
macos	30s
macos-debug	29s
macos-x64	42s
openbsd	5m 25s
	1h 26m 46s

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