===== COMMAND =====: for ns in $(ip netns list); do echo Namespace: ${ns}; ip netns exec ${ns} ip a; done
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.109.25.3] out: Namespace: haproxy
[10.109.25.3] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.109.25.3] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.109.25.3] out:     inet 127.0.0.1/8 scope host lo
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out:     inet6 ::1/128 scope host 
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out: 18: hapr-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.109.25.3] out:     link/ether 7a:48:8a:d7:9a:b3 brd ff:ff:ff:ff:ff:ff
[10.109.25.3] out:     inet 240.0.0.2/30 scope global hapr-ns
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out:     inet6 fe80::7848:8aff:fed7:9ab3/64 scope link 
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out: Namespace: vrouter
[10.109.25.3] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.109.25.3] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.109.25.3] out:     inet 127.0.0.1/8 scope host lo
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out:     inet6 ::1/128 scope host 
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out: 16: vr-host-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.109.25.3] out:     link/ether 4a:3a:4d:d6:6e:20 brd ff:ff:ff:ff:ff:ff
[10.109.25.3] out:     inet 240.0.0.6/30 scope global vr-host-ns
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out:     inet6 fe80::483a:4dff:fed6:6e20/64 scope link 
[10.109.25.3] out:        valid_lft forever preferred_lft forever
[10.109.25.3] out: 

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