===== COMMAND =====: for ns in $(ip netns list); do echo Namespace: ${ns}; ip netns exec ${ns} ip a; done
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.20.0.6] out: Namespace: qdhcp-86aa1830-3c29-4c82-bb87-81db02c2312c
[10.20.0.6] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.6] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.6] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 ::1/128 scope host 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: 33: tapac3d3237-31: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default 
[10.20.0.6] out:     link/ether fa:16:3e:62:d3:65 brd ff:ff:ff:ff:ff:ff
[10.20.0.6] out:     inet 192.168.111.3/24 brd 192.168.111.255 scope global tapac3d3237-31
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet 169.254.169.254/16 brd 169.254.255.255 scope global tapac3d3237-31
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 fe80::f816:3eff:fe62:d365/64 scope link 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: Namespace: haproxy
[10.20.0.6] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.6] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.6] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 ::1/128 scope host 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: 24: hapr-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.6] out:     link/ether a6:61:cb:61:bb:5a brd ff:ff:ff:ff:ff:ff
[10.20.0.6] out:     inet 240.0.0.2/30 scope global hapr-ns
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 fe80::a461:cbff:fe61:bb5a/64 scope link 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: Namespace: vrouter
[10.20.0.6] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.6] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.6] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 ::1/128 scope host 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: 22: vr-host-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.6] out:     link/ether fa:4c:16:df:cf:07 brd ff:ff:ff:ff:ff:ff
[10.20.0.6] out:     inet 240.0.0.6/30 scope global vr-host-ns
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 fe80::f84c:16ff:fedf:cf07/64 scope link 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: 26: conntrd: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.6] out:     link/ether 3a:67:87:60:a8:2a brd ff:ff:ff:ff:ff:ff
[10.20.0.6] out:     inet 240.1.0.5/24 scope global conntrd
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 fe80::3867:87ff:fe60:a82a/64 scope link 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: 28: b_vrouter: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.6] out:     link/ether 5a:b9:df:22:f5:af brd ff:ff:ff:ff:ff:ff
[10.20.0.6] out:     inet 192.168.0.1/24 scope global b_vrouter
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 fe80::58b9:dfff:fe22:f5af/64 scope link 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: 30: b_vrouter_pub: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.6] out:     link/ether 3e:92:73:dd:41:01 brd ff:ff:ff:ff:ff:ff
[10.20.0.6] out:     inet 190.10.1.15/24 scope global b_vrouter_pub
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out:     inet6 fe80::3c92:73ff:fedd:4101/64 scope link 
[10.20.0.6] out:        valid_lft forever preferred_lft forever
[10.20.0.6] out: 

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