commit 36b082796c08bfa6ed373ab1dbbf4d67815432ee
Author: Matthew Heler <matthew.heler@hotmail.com>
Date:   Mon Nov 7 20:35:39 2016 -0500

    Fix race in removing multipath iSCSI device

diff --git a/os_brick/initiator/linuxscsi.py b/os_brick/initiator/linuxscsi.py
index 87c66a0..f235280 100644
--- a/os_brick/initiator/linuxscsi.py
+++ b/os_brick/initiator/linuxscsi.py
@@ -141,6 +141,7 @@ class LinuxSCSI(executor.Executor):
             LOG.debug("multipath LUNs to remove %s", devices)
             for device in devices:
                 self.remove_scsi_device(device['device'])
+                self.wait_for_volume_removal(device['device'])
 
     def flush_device_io(self, device):
         """This is used to flush any remaining IO in the buffers."""