Inside namespace:

[root@node-1 ~]# ip netns exec haproxy ip a
11: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
20: hapr-p: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether da:4e:26:4b:33:fa brd ff:ff:ff:ff:ff:ff
    inet 192.168.20.101/24 scope global hapr-p
    inet6 fe80::d84e:26ff:fe4b:33fa/64 scope link
       valid_lft forever preferred_lft forever
22: hapr-ns: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 76:c2:8e:38:ec:58 brd ff:ff:ff:ff:ff:ff
    inet 240.0.0.2/30 scope global hapr-ns
    inet6 fe80::74c2:8eff:fe38:ec58/64 scope link
       valid_lft forever preferred_lft forever
24: hapr-m: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether c2:26:1c:2a:7a:79 brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.2/24 scope global hapr-m
    inet6 fe80::c026:1cff:fe2a:7a79/64 scope link
       valid_lft forever preferred_lft forever


On host:

[root@node-1 ~]# ethtool -i br-ex-hapr
driver: veth
version: 1.0
firmware-version: N/A
bus-info:
supports-statistics: yes
supports-test: no
supports-eeprom-access: no
supports-register-dump: no
supports-priv-flags: no

br-ex-hapr Link encap:Ethernet  HWaddr 36:11:2C:12:A7:30
          inet addr:192.168.20.102  Bcast:0.0.0.0  Mask:255.255.255.0
          inet6 addr: fe80::3411:2cff:fe12:a730/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:728171 errors:0 dropped:0 overruns:0 frame:0
          TX packets:467582 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:60548911 (57.7 MiB)  TX bytes:51369123 (48.9 MiB)