o Fix invalid TCP checksums with pf(4). [EN-16:02.pf]

o Fix invalid TCP checksums with pf(4). [EN-16:02.pf]
o Fix YP/NIS client library critical bug. [EN-16:03.yplib]
o Fix SCTP ICMPv6 error message vulnerability. [SA-16:01.sctp]
o Fix ntp panic threshold bypass vulnerability. [SA-16:02.ntp]
o Fix Linux compatibility layer incorrect futex handling. [SA-16:03.linux]
o Fix Linux compatibility layer setgroups(2) system call. [SA-16:04.linux]
o Fix TCP MD5 signature denial of service. [SA-16:05.tcp]
o Fix insecure default bsnmpd.conf permissions. [SA-16:06.bsnmpd]

Errata:		FreeBSD-EN-16:02.pf
Errata:		FreeBSD-EN-16:03.yplib
Security:	FreeBSD-SA-16:01.sctp, CVE-2016-1879
Security:	FreeBSD-SA-16:02.ntp, CVE-2015-5300
Security:	FreeBSD-SA-16:03.linux, CVE-2016-1880
Security:	FreeBSD-SA-16:04.linux, CVE-2016-1881
Security:	FreeBSD-SA-16:05.tcp, CVE-2016-1882
Security:	FreeBSD-SA-16:06.bsnmpd, CVE-2015-5677
Approved by:	so

git-svn-id: svn://svn.freebsd.org/base/releng/10.1@293894 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f