Necessary umass messages?

Salve,

I just rebooted into 5.2-RC and found that I still get these messages when I 
plug in my USB Flash-Adaptor: (aren't these debug messages?)
Everything's working fine so far.
Thanks all,

-Harry

umass0: Generic USB Storage Device, rev 1.10/1.00, addr 5
GEOM: create disk da0 dp=0xc2d61050
da0 at umass-sim0 bus 0 target 0 lun 0
da0: <Generic USB Storage-SMC 0180> Removable Direct Access SCSI-0 device
da0: 1.000MB/s transfers
da0: Attempt to query device size failed: NOT READY, Medium not present
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): NOT READY asc:3a,0
(da0:umass-sim0:0:0:0): Medium not present
(da0:umass-sim0:0:0:0): Unretryable error
Opened disk da0 -> 6
(da0:umass-sim0:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da0:umass-sim0:0:0:0): CAM Status: SCSI Status Error
(da0:umass-sim0:0:0:0): SCSI Status: Check Condition
(da0:umass-sim0:0:0:0): NOT READY asc:3a,0
(da0:umass-sim0:0:0:0): Medium not present
(da0:umass-sim0:0:0:0): Unretryable error
Opened disk da0 -> 6
GEOM: create disk da1 dp=0xc2d9a850
da1 at umass-sim0 bus 0 target 0 lun 1
da1: <Generic USB Storage-CFC 0180> Removable Direct Access SCSI-0 device
da1: 1.000MB/s transfers
da1: 15MB (31489 512 byte sectors: 64H 32S/T 15C)
GEOM: create disk da2 dp=0xc2d9a450
da2 at umass-sim0 bus 0 target 0 lun 2
da2: <Generic USB Storage-MMC 0180> Removable Direct Access SCSI-0 device
da2: 1.000MB/s transfers
da2: Attempt to query device size failed: NOT READY, Medium not present
GEOM: create disk da3 dp=0xc2da5c50
da3 at umass-sim0 bus 0 target 0 lun 3
da3: <Generic USB Storage-MSC 0180> Removable Direct Access SCSI-0 device
da3: 1.000MB/s transfers
da3: Attempt to query device size failed: NOT READY, Medium not present
(da2:umass-sim0:0:0:2): READ CAPACITY. CDB: 25 40 0 0 0 0 0 0 0 0
(da2:umass-sim0:0:0:2): CAM Status: SCSI Status Error
(da2:umass-sim0:0:0:2): SCSI Status: Check Condition
(da2:umass-sim0:0:0:2): NOT READY asc:3a,0
(da2:umass-sim0:0:0:2): Medium not present
(da2:umass-sim0:0:0:2): Unretryable error
Opened disk da2 -> 6
(da2:umass-sim0:0:0:2): READ CAPACITY. CDB: 25 40 0 0 0 0 0 0 0 0
(da2:umass-sim0:0:0:2): CAM Status: SCSI Status Error
(da2:umass-sim0:0:0:2): SCSI Status: Check Condition
(da2:umass-sim0:0:0:2): NOT READY asc:3a,0
(da2:umass-sim0:0:0:2): Medium not present
(da2:umass-sim0:0:0:2): Unretryable error
Opened disk da2 -> 6
(da3:umass-sim0:0:0:3): READ CAPACITY. CDB: 25 60 0 0 0 0 0 0 0 0
(da3:umass-sim0:0:0:3): CAM Status: SCSI Status Error
(da3:umass-sim0:0:0:3): SCSI Status: Check Condition
(da3:umass-sim0:0:0:3): NOT READY asc:3a,0
(da3:umass-sim0:0:0:3): Medium not present
(da3:umass-sim0:0:0:3): Unretryable error
Opened disk da3 -> 6
(da3:umass-sim0:0:0:3): READ CAPACITY. CDB: 25 60 0 0 0 0 0 0 0 0
(da3:umass-sim0:0:0:3): CAM Status: SCSI Status Error
(da3:umass-sim0:0:0:3): SCSI Status: Check Condition
(da3:umass-sim0:0:0:3): NOT READY asc:3a,0
(da3:umass-sim0:0:0:3): Medium not present
(da3:umass-sim0:0:0:3): Unretryable error
Opened disk da3 -> 6