up rc=0
4: wwan0: <POINTOPOINT,NOARP,UP,LOWER_UP> mtu 1430 qdisc pfifo_fast qlen 1000
    link/[519] 
    inet 26.221.78.53/30 scope global wwan0
       valid_lft forever preferred_lft forever
    inet6 fe80::78c1:34ff:fec9:7ed1/64 scope link 
       valid_lft forever preferred_lft forever
--- main:
26.221.78.52/30 dev wwan0 scope link  src 26.221.78.53 
77.88.8.1 dev wwan0 scope link  src 26.221.78.53 
77.88.8.8 dev wwan0 scope link  src 26.221.78.53 
172.16.42.0/24 dev usb0 scope link  src 172.16.42.1 
176.59.95.242 dev wwan0 scope link  src 26.221.78.53 
176.59.95.243 dev wwan0 scope link  src 26.221.78.53 
--- ip route get 77.88.8.8
77.88.8.8 dev wwan0  src 26.221.78.53 
--- ip route get 176.59.95.243
176.59.95.243 dev wwan0  src 26.221.78.53 
--- ip route get 172.16.42.2
172.16.42.2 dev usb0  src 172.16.42.1 
