If a Network Policy is enforced, while a load balancer is finalizing the creation, the endpoints could be not yet annotated with the load balancer state and the update of the lb security group is ignored causing a security breach.
Ran the NP test Feature:NetworkPolicy-01
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.