===== COMMAND =====: for ns in $(ip netns list); do echo Namespace: ${ns}; ip netns exec ${ns} ip a; done
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.20.0.3] out: Namespace: haproxy
[10.20.0.3] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.3] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.3] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 ::1/128 scope host 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 24: hapr-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.3] out:     link/ether b2:09:33:c1:3c:cc brd ff:ff:ff:ff:ff:ff
[10.20.0.3] out:     inet 240.0.0.2/30 scope global hapr-ns
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 fe80::b009:33ff:fec1:3ccc/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 29: b_public: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.3] out:     link/ether 5a:74:68:e7:a7:2f brd ff:ff:ff:ff:ff:ff
[10.20.0.3] out:     inet 190.10.2.16/24 scope global b_public
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 fe80::5874:68ff:fee7:a72f/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: Namespace: vrouter
[10.20.0.3] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.3] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.3] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 ::1/128 scope host 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 22: vr-host-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.3] out:     link/ether 0a:7f:a6:da:3e:c0 brd ff:ff:ff:ff:ff:ff
[10.20.0.3] out:     inet 240.0.0.6/30 scope global vr-host-ns
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 fe80::87f:a6ff:feda:3ec0/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 26: conntrd: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.3] out:     link/ether 26:36:43:33:03:bf brd ff:ff:ff:ff:ff:ff
[10.20.0.3] out:     inet 240.1.0.5/24 scope global conntrd
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 fe80::2436:43ff:fe33:3bf/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 

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