udps_badsum      5324 net/pf.c       			udpstat.udps_badsum++;
udps_badsum       285 netinet/udp_usrreq.c 			udpstat.udps_badsum++;
udps_badsum       293 netinet/udp_usrreq.c 				udpstat.udps_badsum++;
udps_badsum       301 netinet/udp_usrreq.c 				udpstat.udps_badsum++;
udps_badsum        59 netinet/udp_var.h 	u_long	udps_badsum;		/* checksum error */