Minor nits and cleanups
Minor nits and cleanups

Change-Id: I7d3e09ea6f01f5f438d23c9616f2a16fee3f032d
Signed-off-by: Saggi Mizrahi <90260a7db2670c69b7c0e4a224a404ebffebdad5@huawei.com>

no2key/dragonflow,neoareslinux/dragonflow,openstack/dragonflow,openstack/dragonflow,FrankDuan/df_code,FrankDuan/df_code,FrankDuan/df_code,neoareslinux/dragonflow,openstack/dragonflow,no2key/dragonflow