Node stopped without a reason

[amirmnsr]

Description of bug: The node just crashed without any kind of reason and couldn't establish again.

Environment:

• latest Ubuntu version
• (Linux) Kernel (e.g. uname -a): Linux hetzner4 4.4.0-116-generic Slack link 404 error #140-Ubuntu SMP Mon Feb 12 21:23:04 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
• Node version: latest
• (docker node) docker version: latest

logs

[2018-04-13 02:14:27.661970]: Block 2C237BF5A365D4393AB47D91B40FB922F7A1E05B22B85F9929EAC9F7A319FF23 was confirmed to peers
[2018-04-13 02:14:41.934937]: Node stopping
[2018-04-13 02:14:41.934937]: Error accepting RPC connections: system:125
[2018-04-13 02:14:41.936259]: Error receiving block type Operation canceled
[2018-04-13 02:14:41.936278]: UDP Receive error: Bad file descriptor
[2018-04-13 02:14:41.936442]: Flushing unchecked blocks
[2018-04-13 02:14:41.936458]: Finished flushing unchecked blocks
[2018-04-13 02:14:41.936469]: Error while accepting bootstrap connections: Operation canceled
[2018-04-13 02:14:41.936507]: Exiting bootstrap attempt
[2018-04-13 02:14:43.332309]: Missing confirmed block 45839D8DDE7A42BF4D2AEE969C403D87BF940E5CA6F09CE476440CDC68C74F6A
[2018-04-13 02:14:43.336405]: Missing confirmed block 45839D8DDE7A42BF4D2AEE969C403D87BF940E5CA6F09CE476440CDC68C74F6A
[2018-04-13 02:14:43.341183]: Missing confirmed block 45839D8DDE7A42BF4D2AEE969C403D87BF940E5CA6F09CE476440CDC68C74F6A
[2018-04-13 02:15:20.186713]: Error sending confirm request: Bad file descriptor
[2018-04-13 02:15:20.186732]: Error sending confirm request: Bad file descriptor
[2018-04-13 02:15:20.186763]: Error sending confirm request: Bad file descriptor
[2018-04-13 02:15:20.186773]: Error sending confirm request: Bad file descriptor
[2018-04-13 02:15:20.186783]: Error sending confirm request: Bad file descriptor
[2018-04-13 02:15:20.186782]: Error sending confirm request: Bad file descriptor
[2018-04-13 02:15:20.186800]: Error sending confirm request: Bad file descriptor
[2018-04-13 02:15:20.186793]: Error sending confirm request: Bad file descriptor

[dbachm123]

see #780

[argakiig]

[2018-04-13 02:14:41.934937]: Node stopping

Do you have your rpc exposed to the public?