oleg440-server: Warning: Permanently added 'oleg440-server' (ECDSA) to the list of known hosts.

oleg440-server: Connection closed by 192.168.204.140 port 22

pdsh@oleg440-client: oleg440-server: ssh exited with exit code 255
oleg440-server: Connection closed by 192.168.204.140 port 22

pdsh@oleg440-client: oleg440-server: ssh exited with exit code 255
oleg440-server: Connection closed by 192.168.204.140 port 22

pdsh@oleg440-client: oleg440-server: ssh exited with exit code 255
oleg440-server: Connection closed by 192.168.204.140 port 22

pdsh@oleg440-client: oleg440-server: ssh exited with exit code 255
mgs: has no /etc/os-release
oleg440-server: Connection closed by 192.168.204.140 port 22

pdsh@oleg440-client: oleg440-server: ssh exited with exit code 255