allow bind(2) to non-interface address, if the socket is configred as FAITH socket.  this is for allowing ftp relay daemon to perform bind(2) on behalf of fake IPv4 address on active data connection.
allow bind(2) to non-interface address, if the socket is configred as
FAITH socket.  this is for allowing ftp relay daemon to perform
bind(2) on behalf of fake IPv4 address on active data connection.

v6 ftp client  --control---> ftp translator ----> v4 ftp server
	       <---data----*

"*" needs to be fake IPv4 address generated from translation pool
prefix and the address for v4 ftp server.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame