fails:Socket#bind on SOCK_DGRAM socket raises Errno::EINVAL when binding to an already bound port
fails:Socket#bind on SOCK_DGRAM socket raises Errno::ENETDOWN when the specified sockaddr is not available from the local machine
fails:Socket#bind on SOCK_STREAM socket raises Errno::EINVAL when binding to an already bound port
fails:Socket#bind on SOCK_STREAM socket raises Errno::ENETDOWN when the specified sockaddr is not available from the local machine
