It appears to be the session that is cleared, so it disrupts everything
that device is currently doing for several seconds until the sessions
are recreated. I can see these logs under system events:User: from
cw_acd clean active IPv4 sessions,( filte...
If its the same issue I had then it was a bug that was resolved in
FortiOS 7.0.6 and later. 748479cw_acd is crashing with signal 11 and is
causing APs to disconnect/rejoin.
https://docs.fortinet.com/document/fortigate/7.0.6/fortios-release-notes/2898...
