[c-nsp] Fabric Endpoint Lost Sync?

[Brian W. Gemberling]

Hello,

	We noticed this error over the weekend on a 6500 with Sup720-3BXL. 
I've searched for this error, however, I can't find much on it.  Does 
anyone have any insight on this?

Jan  9 04:02:03.696 EST: SP:  Fabric endpoint of Channel 4 lost Sync. to 
Higher fabric and trying to recover now!
Jan  9 05:47:09.871 EST: SP:  Fabric endpoint of Channel 4 lost Sync. to 
Higher fabric and trying to recover now!
Jan  9 06:50:17.631 EST: SP:  Fabric endpoint of Channel 4 lost Sync. to 
Higher fabric and trying to recover now!
Jan  9 08:17:18.681 EST: SP:  Fabric endpoint of Channel 4 lost Sync. to 
Higher fabric and trying to recover now!
Jan  9 09:40:11.408 EST: SP:  Fabric endpoint of Channel 4 lost Sync. to 
Higher fabric and trying to recover now!
Jan  9 10:22:25.180 EST: SP:  Fabric endpoint of Channel 4 lost Sync. to 
Higher fabric and trying to recover now!
Jan  9 11:08:27.126 EST: SP:  Fabric endpoint of Channel 4 lost Sync. to 
Higher fabric and trying to recover now!