$ ip address show | grep 'inet'
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
    inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic noprefixroute eth0
    inet6 fe80::a00:27ff:fefc:e996/64 scope link
    inet 192.168.56.30/24 brd 192.168.56.255 scope global noprefixroute eth1
    inet6 fe80::a00:27ff:fea6:9caf/64 scope link
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link
    inet 20.108.82.192/32 scope global vxlan.calico
    inet6 fe80::64d5:cfff:fed3:6b7e/64 scope link
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link
    inet6 fe80::ecee:eeff:feee:eeee/64 scope link

$ ifconfig

$ hostname -I
10.0.2.15 192.168.56.30 20.108.82.192

$ netstat -rn

$ ss -tuln | grep -v "[AZ]"  |awk '{print $5}' | head -n 5
127.0.0.1:323
0.0.0.0:4789
[::]:111
[::1]:323
127.0.0.1:10248
127.0.0.1:10249