actors cannot connect to tron

tron crashed during the night (3:54am UTC on Jan 13 2020) .

after a restart of tron, some actors(xcu b1 and r1, enu_sm1) were not able to reconnect to Tron, but some were :

 2020-01-13T15:46:28.182 sent hub status
2020-01-13T15:46:28.186 hub i version="need_to_read_git_version"
2020-01-13T15:46:28.189 hub i actors=hub,keys,msg,gen2,spsait,seqno,meb,sps
2020-01-13T15:46:28.190 hub i commanders=client.v1,client.v3,client.v4,client.v5,client.v8,client.v13,client.

the error message is

 2020-01-13 15:46:13.997Z cmdr 30 CmdrConnection.py:79 in doStart
2020-01-13 15:46:14.001Z cmdr 30 CmdrConnection.py:108 CmdrConnection failed: [Failure instance: Traceback (failure with no frames): <class 'twisted.internet.error.ConnectionRefusedError'>: Connection was refused by other side: 111: Connection refused.

I rebooted the bee_r1 but got the same error.

Arnaud tried to start enu_sm1 on another machine (shell-ics) and it worked... but it doesn't work on rack5 while it is working for rough on the same machine...

one thing strange is that the command oneCmd.py hub status doesn't work on rack5 and bee-r1.

So we do not have the current status of the 2 cameras... which are supposed to pumpdown (r1 gatevalve certainly close during the reboot).