mod-gearman-worker 1.5.5-1build1 (amd64 binary) in ubuntu xenial

 The worker agent for Mod-Gearman connects to a Gearman job server,
 runs active Icinga/Nagios service checks, and return the results.
 .
 The worker can ask for any available check, or it can be bound to
 specific hostgroups or servicegroups.