LU-12287 lnet: handling device failure by IB event handler

LU-12287 lnet: handling device failure by IB event handler

The following IB events cannot be handled by QP event handler
- IB_EVENT_DEVICE_FATAL
- IB_EVENT_PORT_ERR
- IB_EVENT_PORT_ACTIVE

IB event handler handles device errors such as hardware errors
and link down.

Test-Parameters: trivial
Signed-off-by: Tatsushi Takamura <takamr.tatsushi@jp.fujitsu.com>
Signed-off-by: Amir Shehata <ashehata@whamcloud.com>
Change-Id: I9869fb1cd1172040e0dd34828318017a0f30df81
Reviewed-on: https://review.whamcloud.com/35037
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Chris Horn <hornc@cray.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>