INFO:a.b.c:Info 4
INFO:a.b.c.d:Info 5
-- log_test3 end ---------------------------------------------------
+-- log_test4 begin ---------------------------------------------------
+config0: ok.
+config1: ok.
+config2: exceptions.AttributeError
+config3: exceptions.KeyError
+-- log_test4 end ---------------------------------------------------
-- logrecv output begin ---------------------------------------------------
ERR -> CRITICAL: Message 0 (via logrecv.tcp.ERR)
ERR -> ERROR: Message 1 (via logrecv.tcp.ERR)