Hi, Sometimes, lava master will show next error, then seems zemomq crash, do you know what's the potential cause?
2019-08-20 09:14:39,576 DEBUG lava-worker-1 => PING(20) 2019-08-20 09:14:39,578 DEBUG lava-worker-2 => PING(20) 2019-08-20 09:14:39,580 DEBUG lava-worker-3 => PING(20) 2019-08-20 09:14:44,467 ERROR [CLOSE] Unknown exception raised, leaving! 2019-08-20 09:14:44,467 ERROR 'utf-8' codec can't decode byte 0xc0 in position 10: invalid start byte Traceback (most recent call last): File "/usr/lib/python3/dist-packages/lava_server/management/commands/lava-master.py", line 687, in handle self.main_loop(options) File "/usr/lib/python3/dist-packages/lava_server/management/commands/lava-master.py", line 731, in main_loop while self.controler_socket(): # Unqueue all pending messages File "/usr/lib/python3/dist-packages/lava_server/management/commands/lava-master.py", line 234, in controler_socket hostname = u(msg[0]) File "/usr/lib/python3/dist-packages/zmq/utils/strtypes.py", line 34, in cast_unicode return s.decode(encoding, errors) UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc0 in position 10: invalid start byte 2019-08-20 09:14:44,467 INFO [CLOSE] Closing the controler socket and dropping messages