Created attachment 216059 [details] patch to solve this bug When calling SIOCAIFADDR ioctl with an existing IP address, this IP address is deleted and AllHost multicast group is leaved. Then IP address is added again but AllHost multicast group is not joined. Bug saw on FreeBSD 11.2
Comment on attachment 216059 [details] patch to solve this bug ^Triage: convert this to text/plain and set the Patch flag so that the automation can see it.