add json log for timeout in net #3521

Job	Run time
macos/clang++/c++17	10m 16s
macos/clang++/c++17	10m 16s
buster/g++/c++17/asan=off/ubsan=off	31m 43s
buster/g++/c++17/asan=off/ubsan=off	30m 2s
focal/clang++/c++17/asan=off/ubsan=on	31m 20s
focal/clang++/c++17/asan=off/ubsan=on	31m 20s
focal/g++-10/c++20/asan=on/ubsan=off	31m 44s
focal/g++-10/c++20/asan=on/ubsan=off	33m 7s
jammy/g++/c++20/asan=on/ubsan=off	31m 21s
jammy/g++/c++20/asan=on/ubsan=off	36m 22s
	4h 37m 31s

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