connection timed out; no servers could be reached

[linrol]

Use .ovpn file，ping or nslookup don't work，please help me, thanks

docker run -it --cap-add=NET_ADMIN --device /dev/net/tun --name vpn --dns 8.8.4.4 -v /root/data/openvpn:/vpn -d dperson/openvpn-client