Bug#811282: kfreebsd-10: Invalid TCP checksums with pf(4) [EN-16:02]

[Steven Chamberlain]

Package: src:kfreebsd-10
Version: 10.1~svn274115-4+kbsd8u1
Severity: important
Tags: upstream                                                                  
                         
Control: found -1 10.1~svn274115-10

kfreebsd's implementation of PF packet filter can generate wrong
TCP checksum on outgoing packets, when used with certain NICs,
likely causing connection problems or reduced performance:

https://www.freebsd.org/security/advisories/FreeBSD-EN-16:02.pf.asc

This affects kfreebsd-10, and kfreebsd-9 in wheezy.