My output

[root@network1 openstack]# ip netns
qdhcp-0678c865-15b5-40ee-97d7-9faae8984b23
qrouter-2008b2d7-3f7a-4043-af61-bd0d8e557b39


[root@network1 openstack]# ip netns exec qrouter-2008b2d7-3f7a-4043-af61-bd0d8e557b39 ip addr


6: qg-67626135-3f: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
    link/ether fa:16:3e:c4:1d:9b brd ff:ff:ff:ff:ff:ff
    inet 192.168.255.226/28 brd 192.168.255.239 scope global qg-67626135-3f
    inet 192.168.255.228/32 brd 192.168.255.228 scope global qg-67626135-3f
    inet6 fe80::f816:3eff:fec4:1d9b/64 scope link
       valid_lft forever preferred_lft forever
9: qr-53275569-77: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN
    link/ether fa:16:3e:be:e7:7a brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.1/24 brd 10.0.0.255 scope global qr-53275569-77
    inet6 fe80::f816:3eff:febe:e77a/64 scope link
       valid_lft forever preferred_lft forever
16: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever


[root@network1 openstack]# ip netns exec qrouter-2008b2d7-3f7a-4043-af61-bd0d8e557b39 route -n
Kernel IP routing table

Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.255.224 0.0.0.0         255.255.255.240 U     0      0        0 qg-67626135-3f
10.0.0.0        0.0.0.0         255.255.255.0   U     0      0        0 qr-53275569-77
0.0.0.0         192.168.255.226 0.0.0.0         UG    0      0        0 qg-67626135-3f
[root@network1 openstack]#
===========================