1*a71a9546SAutomerger Merge Worker:PREROUTING,FORWARD,POSTROUTING 2*a71a9546SAutomerger Merge Worker*mangle 3*a71a9546SAutomerger Merge Worker-j CHECKSUM --checksum-fill;=;OK 4*a71a9546SAutomerger Merge Worker-j CHECKSUM;;FAIL 5