tree dd18e137ec8d2a1cd5e012b8e6b28210b4c0601a
parent f6727bf4545334e77b6fbb68c235a3a9d660404e
author Jian Li <pyguni@gmail.com> 1539871683 +0900
committer Jian Li <pyguni@gmail.com> 1540199617 +0000

Fix: enforce to remove security group rules

1. resolve a NPE caused by null subnet gateway

Change-Id: I48abe52d7fb508a53377dcbcc613eca446ccda4e