Flows created by NSF FRM do not clear after issuing DELETE

This bug is also for: https://git.opendaylight.org/gerrit/#/c/4737/

When I create a flow with NSF FRM:

PUT http://127.0.0.1:8080/controller/nb/v2/flowprogrammer/default/node/OF/00:00:00:00:00:00:00:02/staticFlow/flow1

<flowConfig>
<installInHw>true</installInHw>
<name>flow1</name>
<node>
<id>00:00:00:00:00:00:00:02</id>
<type>OF</type>
</node>
<priority>1</priority>
<etherType>0x800</etherType>
<nwDst>10.0.0.1/32</nwDst>
<actions>OUTPUT=1</actions>
</flowConfig>

And then I delete it with:

DELETE http://127.0.0.1:8080/controller/nb/v2/flowprogrammer/default/node/OF/00:00:00:00:00:00:00:02/staticFlow/flow1

Flow is still in the switch:

odluser@odl-system-test:~\> sudo ovs-ofctl -O OpenFlow13 dump-flows s2
OFPST_FLOW reply (OF1.3) (xid=0x2):
cookie=0x0, duration=204.11s, table=0, n_packets=0, n_bytes=0, send_flow_rem priority=1,ip,nw_dst=10.0.0.1 actions=output:1