The root cause of this problem is that the del_arp_entry() notifications are currently unused. I've started working on a patch to fix this at https://review.opendev.org/c/openstack/neutron/+/777616
The root cause of this problem is that the del_arp_entry() notifications are currently unused. I've started working on a patch to fix this at https:/ /review. opendev. org/c/openstack /neutron/ +/777616