===== 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: qdhcp-b7104425-57c9-48b2-9982-d3ab24268074
[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: 36: tapc3b60d5b-17: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN group default 
[10.20.0.3] out:     link/ether fa:16:3e:eb:b1:9f brd ff:ff:ff:ff:ff:ff
[10.20.0.3] out:     inet 192.168.111.3/24 brd 192.168.111.255 scope global tapc3b60d5b-17
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet 169.254.169.254/16 brd 169.254.255.255 scope global tapc3b60d5b-17
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 fe80::f816:3eff:feeb:b19f/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[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: 23: b_management: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.3] out:     link/ether 7a:ae:b4:89:71:02 brd ff:ff:ff:ff:ff:ff
[10.20.0.3] out:     inet 192.168.0.2/24 scope global b_management
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 fe80::78ae:b4ff:fe89:7102/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 25: 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 ba:32:36:46:c2:5f 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::b832:36ff:fe46:c25f/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 31: 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 6a:00:ab:bf:bf:af 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::6800:abff:febf:bfaf/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: 21: 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 d2:b9:62:47:62:37 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::d0b9:62ff:fe47:6237/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 34: conntrd: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.3] out:     link/ether 76:0a:f0:30:f6:ce brd ff:ff:ff:ff:ff:ff
[10.20.0.3] out:     inet 240.1.0.7/24 scope global conntrd
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out:     inet6 fe80::740a:f0ff:fe30:f6ce/64 scope link 
[10.20.0.3] out:        valid_lft forever preferred_lft forever
[10.20.0.3] out: 

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