power_LoadTest.1hour finished running the test, but autoserv ended with a warning:

Autotest client was disconnected: Timeout encountered: /usr/bin/ssh -a -x -o ControlPath=/tmp/_autotmp_a1FyzGssh-master/socket -o Protocol=2 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=yes -o ConnectTimeout=30 -o ServerAliveInterval=900 -o ServerAliveCountMax=3 -o ConnectionAttempts=4 -l root -p 22 192.168.231.101 "export LIBC_FATAL_STDERR_=1; if type \"logger\" > /dev/null 2>&1; then logger -tag \"autotest\" \"server[stack::execute_section|_execute_daemon|run] -> ssh_run(/usr/local/autotest/bin/autotestd_monitor /tmp/autoserv-m4AsnV 0 0)\";fi; /usr/local/autotest/bin/autotestd_monitor /tmp/autoserv-m4AsnV 0 0"

What does this warning mean? 

Also attached complete logs. 
 

Deleted: 5-moblab.tar.xz 1.5 MB

5-moblab.tar.xz 1.5 MB Download