Bug: OVNkube-node crashes on duplicate endpoints

https://coreos.slack.com/archives/CDCP2LA9L/p1641854000063100
Hello - While testing for netobserv, when IPFix target is configured using exportNetworkFlows  and also when CNO configures config map {{ovs-flows-config }} ovnkube-node crashes with below error:
I0110 22:16:46.293721 775310 ovs.go:208] exec(3): stderr: "ovs-vsctl: [\"172.30.231.149:2055\",\"172.30.231.149:2055\"]: set contains duplicate value\n"
I0110 22:16:46.293728 775310 ovs.go:210] exec(3): err: exit status 1
F0110 22:16:46.293750 775310 ovnkube.go:133] error setting ovs flow targets: "error setting IPFIX: exit status 1\n \"ovs-vsctl: [\\\"172.30.231.149:2055\\\",\