E [09/Mar/2015:17:43:35 +0100] Unable to open listen socket for address [v1.::1]:631 - Address already in use. E [09/Mar/2015:17:43:35 +0100] Unable to open listen socket for address 127.0.0.1:631 - Address already in use. E [09/Mar/2015:17:44:53 +0100] [Client 5] Local authentication certificate not found. E [09/Mar/2015:17:44:53 +0100] [Client 8] Local authentication certificate not found. E [09/Mar/2015:17:44:53 +0100] [Client 11] Local authentication certificate not found.