to fix allocation of invalid load balancing group during ns-create #1759

Job	Run time
build	33s
build	44s
build	9m 15s
build	9m 15s
build-ceph	27s
build-ceph	27s
build-ceph	27s
build-ceph	2m 25s
discovery	0s
discovery	0s
discovery	0s
pytest	0s
pytest	0s
pytest	0s
ha	0s
ha	0s
ha	0s
demo	0s
demo	0s
demo	0s
demo	3m 45s
push-to-registry	0s
push-to-registry	0s
push-to-registry	0s
push-to-registry	0s
pytest (cli)	2m 33s
discovery (container)	3m 58s
pytest (cli_change_lb)	2m 46s
ha (sanity)	3m 56s
discovery (embedded)	3m 48s
pytest (state)	2m 15s
ha (state_transitions)	3m 54s
pytest (multi_gateway)	2m 34s
ha (state_transitions_both_gws)	4m 57s
pytest (server)	2m 34s
ha (state_transitions_loop)	11m 58s
pytest (grpc)	3m 16s
ha (state_transitions_rand_loop)	16m 45s
pytest (omap_lock)	4m 30s
ha (late_registration)	4m 15s
pytest (old_omap)	2m 0s
ha (late_registration_loop)	15m 12s
pytest (log_files)	3m 58s
ha (4gws)	5m 50s
pytest (nsid)	3m 50s
ha (4gws_loop)	7m 7s
pytest (namespaces)	11m 33s
	2h 30m 47s

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