Fix EBADF when closing fds in parent for ForkedJob

cloudcontrol/node/jobs.py

@@ -285,6 +285,10 @@ class ForkedJob(object):
                 try:
                     os.close(fd)
                 except OSError as exc:
+                    if exc.errno == errno.EBADF:
+                        # FIXME this is weird but it seems to happen sometimes
+                        logger.debug('Error while closing fd in parent, EBADF')
+                        continue
                     logger.error('Error while closing fds in parent: %s',
                                  os.strerror(exc.errno))
                     raise