nss

#!/bin/sh
#This script will show all ip address inside each network namespace
#If give a parameter, then it will show the network namespace containing the key

for name in `ip netns show`
do
    [[ $name == qdhcp-* || $name == qrouter-* ]] && result=`ip netns exec $name ip addr`
    if [ $# -gt 0 ]; then
	[[ -n "`echo $result|grep $1`" ]] && echo $name && echo -e $result && break
    else
        echo $name
	echo -e $result
    fi 
done