[Satellite 6] pulp_resource_manager fails to start with OSError: [Errno 38] Function not implemented

Issue

• katello-service reports following error for pulp_resource_manager service:

Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848) Unrecoverable error: OSError(38, 'Function not implemented')
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848) Traceback (most recent call last):
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib/python2.7/site-packages/celery/worker/worker.py", line 203, in start
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)     self.blueprint.start(self)
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib/python2.7/site-packages/celery/bootsteps.py", line 119, in start
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)     step.start(parent)
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib/python2.7/site-packages/celery/bootsteps.py", line 370, in start
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)     return self.obj.start()
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib/python2.7/site-packages/celery/concurrency/base.py", line 131, in start
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)     self.on_start()
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib/python2.7/site-packages/celery/concurrency/prefork.py", line 112, in on_start
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)     **self.options)
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib64/python2.7/site-packages/billiard/pool.py", line 957, in __init__
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)     self._setup_queues()
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib64/python2.7/site-packages/billiard/pool.py", line 1320, in _setup_queues
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)     self._inqueue = self._ctx.SimpleQueue()
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16542-38848)   File "/usr/lib64/python2.7/site-packages/billiard/context.py", line 150, in SimpleQueue
Sep  4 17:19:37 satellite pulp: celery.worker:CRITICAL: (16598-06912) Unrecoverable error: OSError(38, 'Function not implemented')