sh-4.4# ip a
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 500
    link/none 
    inet 10.0.0.1/32 scope global tun0
       valid_lft forever preferred_lft forever
    inet6 fe80::4ad8:d95c:29cc:250f/64 scope link stable-privacy 
       valid_lft forever preferred_lft forever
3: tun1: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 500
    link/none 
    inet 10.0.0.2/32 scope global tun1
       valid_lft forever preferred_lft forever
    inet6 fe80::8033:6b68:c20b:c7f4/64 scope link stable-privacy 
       valid_lft forever preferred_lft forever