1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue 
    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
2: sit0: <NOARP> mtu 1480 qdisc noop 
    link/sit 0.0.0.0 brd 0.0.0.0
3: ib0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 2044 qdisc pfifo_fast qlen 50000
    link/infiniband 80:00:04:04:fe:80:00:00:00:00:00:00:00:02:c9:02:00:21:d3:a1 brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
    inet 172.29.60.19/24 brd 172.29.60.255 scope global ib0
4: ib1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc pfifo_fast qlen 50000
    link/infiniband 80:00:04:05:fe:80:00:00:00:00:00:00:00:02:c9:02:00:21:d3:a2 brd 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
    inet 172.29.61.19/24 brd 172.29.61.255 scope global ib1
    inet6 fe80::202:c902:21:d3a2/64 scope link 
       valid_lft forever preferred_lft forever
5: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 50000
    link/ether 00:e0:81:5e:e9:6d brd ff:ff:ff:ff:ff:ff
    inet 172.29.87.19/24 brd 172.29.87.255 scope global eth0
    inet6 2001:470:885c:87:2e0:81ff:fe5e:e96d/64 scope global dynamic 
       valid_lft 2591927sec preferred_lft 604727sec
    inet6 2001:470:885c:87::19/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 fe80::2e0:81ff:fe5e:e96d/64 scope link 
       valid_lft forever preferred_lft forever
6: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 50000
    link/ether 00:e0:81:5e:e9:6e brd ff:ff:ff:ff:ff:ff
    inet 172.29.88.19/24 brd 172.29.88.255 scope global eth1
    inet6 2001:470:885c:88::19/64 scope global 
       valid_lft forever preferred_lft forever
    inet6 2001:470:885c:88:2e0:81ff:fe5e:e96e/64 scope global dynamic 
       valid_lft 2591979sec preferred_lft 604779sec
    inet6 fe80::2e0:81ff:fe5e:e96e/64 scope link 
       valid_lft forever preferred_lft forever
7: eth2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 50000
    link/ether 00:04:23:de:d2:0a brd ff:ff:ff:ff:ff:ff
    inet6 fe80::204:23ff:fede:d20a/64 scope link 
       valid_lft forever preferred_lft forever
8: eth3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 50000
    link/ether 00:04:23:de:d2:0b brd ff:ff:ff:ff:ff:ff
    inet6 fe80::204:23ff:fede:d20b/64 scope link 
       valid_lft forever preferred_lft forever