K 10 svn:author V 2 cy K 8 svn:date V 27 2019-09-29T03:41:15.948360Z K 7 svn:log V 135 MFC r352737: ipf mistakenly regards UDP packets with a checksum of 0xffff as bad. Obtained from: NetBSD fil.c r1.30, NetBSD PR/54443 END