Reservation conflict logging
Where kkkkkkkk is the actual reserve key and xxxxxxxx is the reserving host initiator WWPN.
Reserving host key: kkkkkkkk WWPN: xxxxxxxx
After initially logging the reserving host WWPN, subsequent reservation conflicts from the same reserving host WWPN are not logged. This action prevents multiple entries in the error log until the reserving host WWPN is different from the one initially logged. Or, the device driver reserved the device and then another reservation conflict occurs.