The directory '/var/lib/ganeti/queue' contains too many entries in ganeti nodes

This is happening in several ganeti nodes:

Dec 05 17:31:23 fsn-node-01 puppet-agent[250254]: The directory '/var/lib/ganeti/queue' contains 6906 entries, which exceeds the default soft limit 1000 and may cause excessive resource consumption and degraded performance. To remove this warning set a value for `max_files` parameter or consider using an alternate method to manage large directory trees