pgrep: command not found

[terryzwt]

Version: mariadb/maxscale:24.02

'maxscale' monitor action done
'maxscale' process is not running
'maxscale' trying to restart
'maxscale' start: '/usr/bin/maxscale-restart'
'd692d6bde363' unmonitor on user request
'maxscale' unmonitor on user request
Monit daemon with PID 13 awakened
'd692d6bde363' monitor on user request
'maxscale' monitor on user request
Monit daemon with PID 13 awakened
'maxscale' failed to start (exit status 0) -- '/usr/bin/maxscale-restart': /usr/bin/maxscale-stop: line 6: pgrep: command not found
'd692d6bde363' monitor action done
Awakened by User defined signal 1