taglinefilesource code
ECONNREFUSED141fs/nfs/sock.cif (result == -ECONNREFUSED) {
ECONNREFUSED72net/inet/icmp.c{ ECONNREFUSED,  1 },  /*  ICMP_PORT_UNREACH  */
ECONNREFUSED3517net/inet/tcp.csk->err = ECONNREFUSED;
ECONNREFUSED144net/inet/udp.csk->err=ECONNREFUSED;