qeth.8a7bb9 <bus ID of the qeth device>: Starting IP fragmentation support for <network interface name> failed
Explanation
The qeth device driver could not start IP fragmentation support on the
network adapter.
User response
Ungroup and regroup the subchannel triplet of the device. If this does not resolve the problem, reboot Linux. If the problem persists, gather Linux debug data and report the problem to your support organization.