● [email protected] - WireGuard via wg-quick(8) for wg0
     Loaded: loaded (/lib/systemd/system/[email protected]; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Sun 2021-12-12 10:15:31 GMT; 16s ago
       Docs: man:wg-quick(8)
             man:wg(8)
             https://www.wireguard.com/
             https://www.wireguard.com/quickstart/
             https://git.zx2c4.com/wireguard-tools/about/src/man/wg-quick.8
             https://git.zx2c4.com/wireguard-tools/about/src/man/wg.8
    Process: 2537 ExecStart=/usr/bin/wg-quick up wg0 (code=exited, status=255/EXCEPTION)
   Main PID: 2537 (code=exited, status=255/EXCEPTION)
        CPU: 678ms

Dec 12 10:15:30 VPNPi wg-quick[2537]: [#] ip link set mtu 1420 up dev wg0
Dec 12 10:15:30 VPNPi wg-quick[2537]: [#] sysctl net.ipv4.conf.wg0.forwarding=1 net.ipv4.conf.$(sed -n 3p /run/dietpi/.network).forwarding=1
Dec 12 10:15:30 VPNPi wg-quick[2585]: sed: can't read /run/dietpi/.network: No such file or directory
Dec 12 10:15:30 VPNPi wg-quick[2586]: net.ipv4.conf.wg0.forwarding = 1
Dec 12 10:15:30 VPNPi wg-quick[2586]: sysctl: separators should not be repeated: ..forwarding
Dec 12 10:15:30 VPNPi wg-quick[2586]: sysctl: cannot stat /proc/sys/net/ipv4/conf//forwarding: No such file or directory
Dec 12 10:15:30 VPNPi wg-quick[2537]: [#] ip link delete dev wg0
Dec 12 10:15:31 VPNPi systemd[1]: [email protected]: Main process exited, code=exited, status=255/EXCEPTION
Dec 12 10:15:31 VPNPi systemd[1]: [email protected]: Failed with result 'exit-code'.
Dec 12 10:15:31 VPNPi systemd[1]: Failed to start WireGuard via wg-quick(8) for wg0.