+WARNING: translation string unused: ovpn mtu-disc and mtu not 1500
+WARNING: translation string unused: ovpn mtu-disc maybe
+WARNING: translation string unused: ovpn mtu-disc no
+WARNING: translation string unused: ovpn mtu-disc off
+WARNING: translation string unused: ovpn mtu-disc with mssfix or fragment
+WARNING: translation string unused: ovpn mtu-disc yes