Was able to get answer via GitHub issue: https://github.com/jenkinsci/ec2-fleet-plugin/issues/167 Was a bug in ec2-fleet plugin, fixed in version 1.17.3 of the plugin.
-- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/4f869b45-5d40-4102-baad-7e37813be9e8%40googlegroups.com.