Bug #13602
Updated by Marcos M over 1 year ago
If OpenVPN crashes with DCO enabled, it doesn't remove the interface which prevents it from starting again. The interface must be manually destroyed first with e.g. @ifconfig ovpnc1 destroy@.
<pre>
Oct 27 16:58:13 openvpn 28323 Failed to create interface ovpns1 (SIOCSIFNAME): File exists (errno=17)
Oct 27 16:58:13 openvpn 28323 DCO device ovpns1 already exists, won't be destroyed at shutdown
Oct 27 16:58:13 openvpn 28323 /sbin/ifconfig ovpns1 172.25.1.1/24 mtu 1500 up
Oct 27 16:58:13 openvpn 28323 FreeBSD ifconfig failed: external program exited with error status: 1
Oct 27 16:58:13 openvpn 28323 Exiting due to fatal error
</pre>