A work around was to place a Prefilter this way it doesn't reach snort, and traffic will pass. I was affected with this with Anyconnect fulltunnel ( no split tunnel). Users were no able to use internet. After the pre-filter everything work as expected.
Firepower Management Center 6.2.2.2 Patch or 6.2.3 will fix this problem, but if you are unable to apply patch or upgrade then workaround is a good way to go.
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