После переноса на новый сервер бот начал выключаться сам по себе через некоторое время, немного помудрив прикрутил debug, но не понял как исправить ошибку.
[DEBUG_PROTOCOL]
[WS => Shard 0] Clearing the HELLO timeout.
[DEBUG_PROTOCOL]
[WS => Shard 0] WS State: CONNECTING
[DEBUG_PROTOCOL]
[WS => Shard 0] Shard was destroyed but no WebSocket connection was present! Reconnecting...
[DEBUG_PROTOCOL]
[WS => Shard 0] Failed to connect to the gateway, requeueing...
[DEBUG_PROTOCOL]
[WS => Manager] Shard Queue Size: 1; continuing in 5 seconds...
[DEBUG_PROTOCOL]
[WS => Shard 0] Tried to send packet '{"op":3,"d":{"activities":[{"type":3,"name":"за 3162 пионерами"}],"afk":false,"since":null,"status":"online"}}' but no WebSocket is available!
[DEBUG_PROTOCOL]
[WS => Shard 0] [DESTROY]
Close Code : 4000
Reset : false
Emit DESTROYED: true
[DEBUG_PROTOCOL]
[WS => Shard 0] Shard was destroyed but no WebSocket connection was present! Reconnecting...