taglinefilesource code
ECONNREFUSED173fs/nfs/sock.cif (result == -ECONNREFUSED) {
ECONNREFUSED77net/inet/icmp.c{ ECONNREFUSED,  1 },  /*  ICMP_PORT_UNREACH  */
ECONNREFUSED4223net/inet/tcp.csk->err = ECONNREFUSED;
ECONNREFUSED4246net/inet/tcp.csk->err = ECONNREFUSED;