Index: etc/rc.d/jail
===================================================================
--- etc/rc.d/jail (revision 268273)
+++ etc/rc.d/jail (working copy)
@@ -647,7 +647,9 @@ jail_start()
done
eval ${_setfib} jail -n ${_jail} ${_flags} -i -c path=${_rootdir} host.hostname=${_hostname} \
- ip4.addr=\"${_addrl}\" ip6.addr=\"${_addr6l}\" ${_parameters} command=${_exec_start} > ${_tmp_jail} 2>&1
+ ${_addrl:+ip4.addr=\"${_addrl}\"} ${_addr6l:+ip6.addr=\"${_addr6l}\"} \
+ ${_parameters} command=${_exec_start} > ${_tmp_jail} 2>&1 \
+ </dev/null
if [ "$?" -eq 0 ] ; then
_jail_id=$(head -1 ${_tmp_jail})
