S9J Network lost

all 4 s9j
Antminer S9 Hiveon
lot of
Log: /tmp/freq Date: —no-time-stamp— GMT Type: WARNING

Fatal Error: network connection lost!

The miner has lost a network connection. The cause could be: 1) Faulty RJ-45 socket, RJ-45 connector or Ethernet cable → check connectors & cabling; 2) Hanging router → reboot router; 3) Your ISP → contact your service provider; 4) A random Internet glitch.

but connection working 100% - no losses
any1 have solution pls?

i have the same problem

same problem … any solution ?