Unexpected sense

On our brand new Dell R420 running Ubuntu 12.04 LTS with PERC H310 we get this at startup:

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Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Firmware initialization started (PCI ID 0073/1000/1f51/1028):  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Package version 20.10.1-0084:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Board Revision A01:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Unexpected sense: Encl PD 20 Path 5e4ae020b5d3c000, CDB: 1c 01 00 00 20 00, Sense: 6/29/00:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Enclosure PD 20(c None/p1) communication restored:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Inserted: Encl PD 20:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Inserted: PD 00(e0x20/s0):  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Inserted: PD 01(e0x20/s1):  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Time established as 02/27/13  9:11:09; (50 seconds since power on):  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Host driver is loaded and operational:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Unexpected sense: Encl PD 20 Path 5e4ae020b5d3c000, CDB: 1c 01 07 00 20 00, Sense: 5/24/00:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:24  Server last message repeated 2 times
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Unexpected sense: Encl PD 20 Path 5e4ae020b5d3c000, CDB: 1c 01 a0 00 04 00, Sense: 5/24/00:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername Server Administrator: Storage Service EventID: 2334  Controller event log: Unexpected sense: Encl PD 20 Path 5e4ae020b5d3c000, CDB: 1c 01 a0 00 04 00, Sense: 5/24/00:  Controller 0 (PERC H310 Mini) 
Feb 27 10:14:23 myservername dbus[1535]: [system] Activating service name='org.freedesktop.PolicyKit1' (using servicehelper)

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What dos the Unexpected sense meen, is there anything to worry about ?