wg-quick up wg0: RTNETLINK answers: Operation not supported

[vitaly-zdanevich]

[#] ip link add wg0 type wireguard
[#] wg setconf wg0 /dev/fd/63
[#] ip -4 address add xx.xx.x.x dev wg0
[#] ip link set mtu 1420 up dev wg0
[#] resolvconf -a wg0 -m 0 -x
[#] wg set wg0 fwmark 51820
[#] ip -4 route add 0.0.0.0/0 dev wg0 table 51820
[#] ip -4 rule add not fwmark 51820 table 51820
RTNETLINK answers: Operation not supported
[#] resolvconf -d wg0 -f
[#] ip link delete dev wg0

I am on Gentoo, maybe my kernel is missing something.

[vitaly-zdanevich]

SOLVED by this Linux options enable:

[*] Networking support
  Networking options --->
    [*] IP: advanced router
    [*]    IP: policy routing