↓って出てるからもしかしてnginxのconfにパケットサイズ上限書いてやらないとだめなやつか
WARNING: Bad encapsulated packet length from peer (18516), which must be > 0 and <= 1627 -- please ensure that --tun-mtu or --link-mtu is equal on both peers -- this condition could also indicate a possible active attack on the TCP link --