Comment 4 for bug 1817936

The statistics also show the "invalid" counts being begged every time the issue occurs.

controller-0:~$ sudo conntrack -S
cpu=0 searched=2278720 found=26257506 new=925893 invalid=1205 ignore=4451231 delete=1094225 delete_list=1094226 insert=925895 insert_failed=0 drop=0 early_drop=0 error=0 search_restart=0
cpu=1 searched=2192697 found=26227245 new=929531 invalid=1392 ignore=4293678 delete=1069473 delete_list=1069464 insert=929527 insert_failed=0 drop=0 early_drop=0 error=0 search_restart=0
cpu=2 searched=3038601 found=35074053 new=932092 invalid=1197 ignore=4435206 delete=1042689 delete_list=1042690 insert=932090 insert_failed=0 drop=0 early_drop=0 error=0 search_restart=0
cpu=3 searched=12913387 found=154903356 new=2980111 invalid=5441 ignore=3586824 delete=2559266 delete_list=2428654 insert=2849496 insert_failed=0 drop=0 early_drop=0 error=5 search_restart=0