rdma: log exception thrown in device processing (#344)
rdma: log exception thrown in device processing (#344)

Exceptions thrown from rdma processing thread running in
the background were not logged properly.

Signed-off-by: Ahmet Alp Balkan <787aefc6cbd2e3e8663c1f03b44afee9126bfa5e@gmail.com>
Azure/WALinuxAgent,rjschwei/WALinuxAgent,hglkrijger/WALinuxAgent,hglkrijger/WALinuxAgent,andyliuliming/WALinuxAgent,Azure/WALinuxAgent,andyliuliming/WALinuxAgent,rjschwei/WALinuxAgent