02/14 18:26:02 [WARN] Neither --rpc-secret nor a combination of --rpc-user and --rpc-passwd is set. This is insecure. It is extremely recommended to specify --rpc-secret with the adequate secrecy or now deprecated --rpc-user and --rpc-passwd.
02/14 18:26:02 [ERROR] IPv4 RPC: failed to bind TCP port 6800
Exception: [SocketCore.cc:312] errorCode=1 Failed to bind a socket, cause: Address already in use
02/14 18:26:02 [ERROR] IPv6 RPC: failed to bind TCP port 6800
Exception: [SocketCore.cc:312] errorCode=1 Failed to bind a socket, cause: Name or service not known