K 10
svn:author
V 9
vmaffione
K 8
svn:date
V 27
2019-02-06T10:00:40.501710Z
K 7
svn:log
V 200
MFC r343549

netmap: add notifications on kloop stop

On sync-kloop stop, send a wake-up signal to the kloop, so that
waiting for the timeout is not needed.
Also, improve logging in netmap_freebsd.c.

END