The protocol family has not been configured into the system or no implementation for it exists. Address family not supported by protocol family. An address incompatible with the requested protocol was used. Client programs usually need not call bind at all - connect will choose an unused port automatically. The requested address is not valid in its context.
Network is down.
A socket operation encountered a dead network. Network is unreachable. A socket operation was attempted to an unreachable network. This usually means the local software knows no route to reach the remote host. 10052 Network dropped connection on reset.