* 4. CHECKSUM_UNNECESSARY (with proto_csum_blank true): This packet was
* generated locally by a Xen DomU and has a partial checksum. If it is
* handled on this machine (Dom0 or DomU), then the checksum will not be
* 4. CHECKSUM_UNNECESSARY (with proto_csum_blank true): This packet was
* generated locally by a Xen DomU and has a partial checksum. If it is
* handled on this machine (Dom0 or DomU), then the checksum will not be