error

[CraftedCat]

Ubuntu 18.04

cat /etc/wireguard/wg0.conf

PostUp = sysctl --write net.ipv4.ip_forward=1; sysctl --write net.ipv6.conf.all.forwarding=1; nft add table inet wireguard-wg0; nft add chain inet wireguard-wg0 wireguard_chain {type nat hook postrouting priority srcnat;}; nft add rule inet wireguard-wg0 wireguard_chain oifname ens3 masquerade

root@vps:~# sysctl --write net.ipv4.ip_forward=1; sysctl --write net.ipv6.conf.all.forwarding=1; nft add table inet wireguard-wg0; nft add chain inet wireguard-wg0 wireguard_chain {type nat hook postrouting priority srcnat;}; nft add rule inet wireguard-wg0 wireguard_chain oifname ens3 masquerade
net.ipv4.ip_forward = 1
net.ipv6.conf.all.forwarding = 1
Error: syntax error, unexpected string, expecting - or number
add chain inet wireguard-wg0 wireguard_chain {type nat hook postrouting priority srcnat;}
^^^^^^
Error: NAT is only supported for IPv4/IPv6
add rule inet wireguard-wg0 wireguard_chain oifname ens3 masquerade
^^^^^^^^^^

[CraftedCat]

Ok., fresh install:

Created symlink /etc/systemd/system/multi-user.target.wants/wg-quick@wg0.service → /lib/systemd/system/wg-quick@.service.
Job for wg-quick@wg0.service failed because the control process exited with error code.
See "systemctl status wg-quick@wg0.service" and "journalctl -xe" for details.
Synchronizing state of unbound.service with SysV service script with /lib/systemd/systemd-sysv-install.

root@EKL:~# journalctl -xe | grep wg Aug 02 06:58:32 EKL systemd[1]: Created slice system-wg\x2dquick.slice. -- Subject: Unit system-wg\x2dquick.slice has finished start-up -- Unit system-wg\x2dquick.slice has finished starting up. Aug 02 06:58:32 EKL systemd[1]: Starting WireGuard via wg-quick(8) for wg0... -- Subject: Unit wg-quick@wg0.service has begun start-up -- Unit wg-quick@wg0.service has begun starting up. Aug 02 06:58:32 EKL wg-quick[29023]: [#] ip link add wg0 type wireguard Aug 02 06:58:32 EKL wg-quick[29023]: [#] wg setconf wg0 /dev/fd/63 Aug 02 06:58:32 EKL wg-quick[29023]: [#] ip -4 address add 10.0.0.1/8 dev wg0 Aug 02 06:58:32 EKL wg-quick[29023]: [#] ip -6 address add fd00:00:00::1/8 dev wg0 Aug 02 06:58:32 EKL wg-quick[29023]: [#] ip link set mtu 1420 up dev wg0 Aug 02 06:58:32 EKL wg-quick[29023]: [#] sysctl --write net.ipv4.ip_forward=1; sysctl --write net.ipv6.conf.all.forwarding=1; nft add table inet wireguard-wg0; nft add chain inet wireguard-wg0 wireguard_chain {type nat hook postrouting priority srcnat\;}; nft add rule inet wireguard-wg0 wireguard_chain oifname eth0 masquerade Aug 02 06:58:32 EKL wg-quick[29023]: net.ipv4.ip_forward = 1 Aug 02 06:58:32 EKL wg-quick[29023]: net.ipv6.conf.all.forwarding = 1 Aug 02 06:58:32 EKL wg-quick[29023]: Error: syntax error, unexpected string, expecting - or number Aug 02 06:58:32 EKL wg-quick[29023]: add chain inet wireguard-wg0 wireguard_chain {type nat hook postrouting priority srcnat;} Aug 02 06:58:32 EKL wg-quick[29023]: ^^^^^^ Aug 02 06:58:32 EKL wg-quick[29023]: [#] ip link delete dev wg0 Aug 02 06:58:33 EKL systemd[1]: wg-quick@wg0.service: Main process exited, code=exited, status=1/FAILURE Aug 02 06:58:33 EKL systemd[1]: wg-quick@wg0.service: Failed with result 'exit-code'. Aug 02 06:58:33 EKL systemd[1]: Failed to start WireGuard via wg-quick(8) for wg0. -- Subject: Unit wg-quick@wg0.service has failed -- Unit wg-quick@wg0.service has failed. root@EKL:~#

root@EKL:~# nft --version nftables v0.8.2 (Joe Btfsplk) root@EKL:~# uname -a Linux EKL 4.15.0-166-generic #174-Ubuntu SMP Wed Dec 8 19:07:44 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux root@EKL:~#

[Claud]

I have the same problem