Security group connection tracking flows as not getting inserted in ovs. Only the flow with ct_state new is getting inserted.

Ovs logs reports the below error.

/var/log/openvswitch/ovs-vswitchd.log
2016-02-12T10:07:01.862Z|00068|bridge|INFO|bridge br-int: added interface tapd7bab22a-7b on port 4
2016-02-12T10:07:01.944Z|00069|connmgr|INFO|br-int<->tcp:192.168.121.1:6653: sending OFPBMC_BAD_MASK error reply to OFPT_FLOW_MOD message
2016-02-12T10:07:01.954Z|00070|connmgr|INFO|br-int<->tcp:192.168.121.1:6653: sending OFPBMC_BAD_MASK error reply to OFPT_FLOW_MOD message
2016-02-12T10:07:01.977Z|00071|connmgr|INFO|br-int<->tcp:192.168.121.1:6653: sending OFPBAC_MATCH_INCONSISTENT error reply to OFPT_FLOW_MOD message