An NSX administrator has turned on logging for the distributed firewall rule.

The NSX administrator has enabled logging for the distributed firewall rule, and the logs are stored in the /var/log/dfwpktlogs.log file on the ESXi host. This log file stores the packet logs for the distributed firewall rules, and the logs can be used for auditing and troubleshooting the distributed firewall.

References: https://docs.vmware.com/en/VMware-NSX-T-Data-Center/2.5/nsxt_25_admin_guide/GUID-E0CC7D8A-F9E6-4A6F-A6F8-6A3D7B3DC3EF.html#GUID-E0CC7D8A-F9E6-4A6F-A6F8-6A3D7B3DC3EF