tests: ignore bogus ceph-objectstore-tool error in ceph_manager

Fixes: http://tracker.ceph.com/issues/16263
Signed-off-by: Nathan Cutler <ncutler@suse.com>
(cherry picked from commit 046e873)

qa/tasks/ceph_manager.py

@@ -272,7 +272,12 @@ def kill_osd(self, osd=None, mark_down=False, mark_out=False):
             cmd = (prefix + "--op import --file {file}")
             cmd = cmd.format(id=imp_osd, file=exp_path)
             proc = imp_remote.run(args=cmd, wait=True, check_status=False)
-            if proc.exitstatus == 10:
+            output = proc.stderr.getvalue()
+            bogosity = "The OSD you are using is older than the exported PG"
+            if proc.exitstatus == 1 and bogosity in output:
+                self.log("OSD older than exported PG"
+                         "...ignored")
+            elif proc.exitstatus == 10:
                 self.log("Pool went away before processing an import"
                          "...ignored")
             elif proc.exitstatus == 11: