1This module matches the EUI-64 part of a stateless autoconfigured IPv6 address. 2It compares the EUI-64 derived from the source MAC address in Ethernet frame 3with the lower 64 bits of the IPv6 source address. But "Universal/Local" 4bit is not compared. This module doesn't match other link layer frame, and 5is only valid in the 6.BR PREROUTING , 7.BR INPUT 8and 9.BR FORWARD 10chains. 11