K 10
svn:author
V 2
kp
K 8
svn:date
V 27
2021-01-05T20:03:50.619775Z
K 7
svn:log
V 264
pf tests: Move Sniffer to its own file

Make it easier to re-use the sniffer class in other test support
scripts.

(cherry picked from commit d1805f60afc3f3c65f5d2bb360ed1ab55ea705da)

Git Hash:   a343d1c8acfc78abfd7f12823c5297c8ca2ee4f4
Git Author: kp@FreeBSD.org
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