K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2016-04-09T12:05:23.977643Z
K 7
svn:log
V 480
Mfp: r296310,r296343

It looks like as with the safety belt of DELAY() fastened (*) we can
completely tear down and free all memory for TCP (after r281599).

(*) in theory a few ticks should be good enough to make sure the timers
are all really gone. Could we use a better matric here and check a
tcbcb count as an optimization?

PR:		164763
Reviewed by:	gnn, emaste
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D5734

END