lcs.5d4e1a <bus ID of the LCS device>: Shutting down the LCS device failed
Explanation
A request to shut down a LAN channel station (LCS) device resulted in an
error. The error is logged in the LCS trace at trace level 4.
User response
Try again to shut down the device. If the error persists, see the LCS trace
to find out what causes the error.