IOCTL_DEBUGOUT1   574 dev/pci/if_em.c 		IOCTL_DEBUGOUT1("ioctl received: UNKNOWN (0x%x)", (int)command);
IOCTL_DEBUGOUT1   420 dev/pci/if_ixgb.c 		IOCTL_DEBUGOUT1("ioctl received: UNKNOWN (0x%X)\n", (int)command);