[client] WGwatcher error handling #9724

Job	Run time
build-cache	15s
test (386)	8m 18s
test_management (386, sqlite)	5m 22s
test (amd64)	10m 34s
test_management (386, postgres)	14m 32s
api_integration_test (386, sqlite)	6m 19s
api_benchmark (386, sqlite)	15m 17s
api_integration_test (386, postgres)	22m 9s
test_management (386, mysql)	18m 31s
api_benchmark (386, postgres)	31m 52s
api_benchmark (amd64, sqlite)	8m 53s
benchmark (386, sqlite)	7m 53s
api_integration_test (amd64, sqlite)	5m 54s
test_management (amd64, sqlite)	5m 15s
api_benchmark (amd64, postgres)	23m 38s
benchmark (386, postgres)	10m 49s
api_integration_test (amd64, postgres)	21m 40s
test_management (amd64, postgres)	14m 20s
test_management (amd64, mysql)	17m 53s
benchmark (386, mysql)	11m 40s
benchmark (amd64, sqlite)	8m 13s
test_client_on_docker	5m 53s
benchmark (amd64, postgres)	10m 37s
benchmark (amd64, mysql)	11m 48s
	4h 57m 35s

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