For ENS Firewall 10.7.x:
To log the correct network traffic, enable the Log all blocked and Log all allowed options in the ENS Firewall Options policy. 

If needed, you can adjust the ENS Activity log size values within the ENS Common policy. Use the Limit size (MB) of each of the activity log files setting. You might want to change the log size values because of the increased logging within the FirewallEventMonitor.log file.

For ENS Firewall 10.6.x:
There is no workaround.