pihole-ftl v.5.3.4 / PADD v3.5.1 / pihole -c ---- telnet_connection_handler_thread

[un99known99]

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Describe the bug
pihole-FTL.log, error message
[2021-01-12 19:38:04.186 2402/T5429] WARN: Could not recv() in telnet_connection_handler_thread() (/root/project/src/api/socket.c:319): Connection reset by peer

was mentioned to be solved in new ftl version, but even after todays update, still issues in logfile
(#147)
strange, seems to be an update loop, pihole -up showing up FTL update, after some time calling again pihole -up and again showing up with FTL update?!?

screenshots with pihole ftl update loop see here:
https://discourse.pi-hole.net/t/pihole-c-causes-pihole-ftl-log-errors-ftl-v5-3-4/42154

To Reproduce
Steps to reproduce the behavior:

1. tail -f pihole-FTL.log

Expected behavior
No errors in logfile

Screenshots
If applicable, add screenshots to help explain your problem.

Additional context
Add any other context about the problem here.

[dschaper]

pi-hole/pi-hole#3987