===== COMMAND =====: for ns in $(ip netns list); do echo Namespace: ${ns}; ip netns exec ${ns} ip a; done
===== RETURN CODE =====: 0
===== STDOUT =====:
[10.20.0.4] out: Namespace: qdhcp-4cf4157a-2d0a-4aae-a812-fa4861353c72
[10.20.0.4] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.4] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.4] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 ::1/128 scope host 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: 43: tap9a4c3720-71: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc noqueue state UNKNOWN group default 
[10.20.0.4] out:     link/ether fa:16:3e:09:19:fd brd ff:ff:ff:ff:ff:ff
[10.20.0.4] out:     inet 192.168.111.3/24 brd 192.168.111.255 scope global tap9a4c3720-71
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet 169.254.169.254/16 brd 169.254.255.255 scope global tap9a4c3720-71
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 fe80::f816:3eff:fe09:19fd/64 scope link 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: Namespace: qdhcp-18b1a580-6229-49ed-a434-fbfdf765eb00
[10.20.0.4] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.4] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.4] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 ::1/128 scope host 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: Namespace: haproxy
[10.20.0.4] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.4] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.4] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 ::1/128 scope host 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: 23: b_management: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.4] out:     link/ether 7e:9b:ef:4b:0c:52 brd ff:ff:ff:ff:ff:ff
[10.20.0.4] out:     inet 192.168.10.7/24 scope global b_management
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 fe80::7c9b:efff:fe4b:c52/64 scope link 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: 31: hapr-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.4] out:     link/ether 06:df:90:99:51:5f brd ff:ff:ff:ff:ff:ff
[10.20.0.4] out:     inet 240.0.0.2/30 scope global hapr-ns
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 fe80::4df:90ff:fe99:515f/64 scope link 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: Namespace: vrouter
[10.20.0.4] out: 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default 
[10.20.0.4] out:     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
[10.20.0.4] out:     inet 127.0.0.1/8 scope host lo
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 ::1/128 scope host 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: 21: vr-host-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.4] out:     link/ether 5a:5b:9e:7b:34:55 brd ff:ff:ff:ff:ff:ff
[10.20.0.4] out:     inet 240.0.0.6/30 scope global vr-host-ns
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 fe80::585b:9eff:fe7b:3455/64 scope link 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: 39: conntrd: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
[10.20.0.4] out:     link/ether 06:81:9e:00:4c:52 brd ff:ff:ff:ff:ff:ff
[10.20.0.4] out:     inet 240.1.0.5/24 scope global conntrd
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out:     inet6 fe80::481:9eff:fe00:4c52/64 scope link 
[10.20.0.4] out:        valid_lft forever preferred_lft forever
[10.20.0.4] out: 

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