===== COMMAND =====: for ns in $(ip netns list); do echo Namespace: ${ns}; ip netns exec ${ns} ip a; done
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.20.0.5] out: Namespace: haproxy
[10.20.0.5] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.5] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.5] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out:     inet6 ::1/128 scope host 
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out: 20: hapr-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.5] out:     link/ether c6:aa:7f:7b:d2:67 brd ff:ff:ff:ff:ff:ff
[10.20.0.5] out:     inet 240.0.0.2/30 scope global hapr-ns
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out:     inet6 fe80::c4aa:7fff:fe7b:d267/64 scope link 
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out: Namespace: vrouter
[10.20.0.5] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.5] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.5] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out:     inet6 ::1/128 scope host 
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out: 18: vr-host-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.5] out:     link/ether 72:e8:71:fb:41:1b brd ff:ff:ff:ff:ff:ff
[10.20.0.5] out:     inet 240.0.0.6/30 scope global vr-host-ns
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out:     inet6 fe80::70e8:71ff:fefb:411b/64 scope link 
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out: 22: conntrd: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.5] out:     link/ether 26:29:6b:01:8f:50 brd ff:ff:ff:ff:ff:ff
[10.20.0.5] out:     inet 240.1.0.5/24 scope global conntrd
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out:     inet6 fe80::2429:6bff:fe01:8f50/64 scope link 
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out: 24: b_vrouter: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.5] out:     link/ether 2e:8e:04:aa:c8:09 brd ff:ff:ff:ff:ff:ff
[10.20.0.5] out:     inet 192.168.1.6/24 scope global b_vrouter
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out:     inet6 fe80::2c8e:4ff:feaa:c809/64 scope link 
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out: 26: b_vrouter_pub: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.5] out:     link/ether f2:57:48:4f:7e:3c brd ff:ff:ff:ff:ff:ff
[10.20.0.5] out:     inet 172.30.10.7/24 scope global b_vrouter_pub
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out:     inet6 fe80::f057:48ff:fe4f:7e3c/64 scope link 
[10.20.0.5] out:        valid_lft forever preferred_lft forever
[10.20.0.5] out: 

===== STDERR =====:
