fix 338
fix 338

(finally, i hope)
* change `netsh interface show interface name=xxx` to `netsh interface ip show interfaces | find "%DEVICE_NAME%"` because ` netsh interface show interface name=xxx` doesn't have delay
* increase timeout
* fix check for error level
Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client,Jigsaw-Code/outline-client