minor ping/keepalive tweaks #2027

Job	Run time
build	6m 17s
build	8m 18s
build-ceph	2m 32s
build-ceph	2m 32s
discovery	0s
demo	0s
demo	3m 38s
ha	0s
pytest	0s
push-images-to-ceph-registry	0s
push-images-to-ceph-registry	0s
push-images-to-private-registry	0s
push-images-to-private-registry	0s
discovery (container)	3m 59s
pytest (cli)	2m 6s
discovery (embedded)	3m 43s
pytest (cli_change_lb)	7m 18s
ha (sanity)	4m 14s
pytest (state)	2m 12s
ha (state_transitions)	4m 0s
pytest (multi_gateway)	5m 24s
ha (state_transitions_both_gws)	4m 36s
pytest (server)	2m 50s
ha (state_transitions_loop)	11m 9s
pytest (grpc)	2m 51s
ha (state_transitions_rand_loop)	12m 34s
pytest (omap_lock)	5m 58s
ha (late_registration)	3m 54s
pytest (old_omap)	2m 2s
ha (late_registration_loop)	15m 49s
pytest (log_files)	2m 49s
ha (4gws)	5m 51s
pytest (nsid)	3m 17s
ha (4gws_loop)	7m 28s
ha (4gws_create_delete)	5m 39s
ha (4gws_create_delete_loop)	7m 9s
ha (namespaces)	9m 41s
ha (namespaces_loop)	17m 1s
ha (mtls)	3m 47s
ha (notify)	2m 35s
	3h 3m 13s

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