> ip addr
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 50:e5:49:1b:89:d3 brd ff:ff:ff:ff:ff:ff
inet
192.168.155.1/24 brd
192.168.155.255 scope global enp2s0
valid_lft forever preferred_lft forever
inet6 fe80::52e5:49ff:fe1b:89d3/64 scope link
valid_lft forever preferred_lft forever
> sudo ifdown -a && sudo ifup -a
RTNETLINK answers: File exists
Failed to bring up enp2s0.