clock-1-chrony.sh: failed 'syntax error' about risu HOT 7 CLOSED

 sh -x /home/remote/piranzo/citellus/citellus/plugins/system/clock-1-chrony.sh
+ : 1
+ [[ 0 = 0 ]]
+ '[' '!' -f ./sos_commands/systemd/systemctl_list-units_--all ']'
+ grep -q 'chronyd.*active' ./sos_commands/systemd/systemctl_list-units_--all
+ '[' '!' -f ./sos_commands/chrony/chronyc_tracking ']'
+ grep -q 'Not synchronised' ./sos_commands/chrony/chronyc_tracking
++ awk '/RMS offset/ {print $4}' ./sos_commands/chrony/chronyc_tracking
+ offset=
+ echo 'clock offset is '
clock offset is 
++ echo '<1 &&     >-1'
++ bc -l
(standard_in) 1: syntax error
+ (( 
    
     ))

cat sos_commands/chrony/chronyc_tracking 
506 Cannot talk to daemon

INFO:citellus:using default plugin path
_________ .__  __         .__  .__                
\_   ___ \|__|/  |_  ____ |  | |  |  __ __  ______
/    \  \/|  \   __\/ __ \|  | |  | |  |  \/  ___/
\     \___|  ||  | \  ___/|  |_|  |_|  |  /\___ \ 
 \______  /__||__|  \___  >____/____/____//____  >
        \/              \/                     \/ 
found #1 tests at 
mode: fs snapshot .
# /home/remote/piranzo/citellus/citellus/plugins/system/clock-1-chrony.sh: failed
    clock is not synchronized