+.B EADDRINUSE
+(Internet domain sockets)
+The port number was specified as zero in the socket address structure,
+but, upon attempting to bind to an ephemeral port,
+it was determined that all port numbers in the ephemeral port range
+are currently in use.
+See the discussion of
+.I /proc/sys/net/ipv4/ip_local_port_range
+.BR ip (7).
+.TP
+.TP