Fix jepsen ssh #579

Job	Run time
Build images	6s
test (GODOG_FEATURE=active_nodes.feature make test)	7m 3s
test (GODOG_FEATURE=async.feature make test)	3m 51s
test (GODOG_FEATURE=cascade_replicas.feature make test)	6m 57s
test (GODOG_FEATURE=CLI.feature make test)	3m 47s
test (GODOG_FEATURE=crash_recovery.feature make test)	4m 43s
test (GODOG_FEATURE=events_reenable.feature make test)	1m 55s
test (GODOG_FEATURE=failover.feature make test)	12m 32s
test (GODOG_FEATURE=free_space.feature make test)	6m 12s
test (GODOG_FEATURE=host_discovery.feature make test)	3m 5s
test (GODOG_FEATURE=host_management.feature make test)	3m 15s
test (GODOG_FEATURE=maintenance.feature make test)	4m 35s
test (GODOG_FEATURE=offline_mode.feature make test)	2m 5s
test (GODOG_FEATURE=priority.feature make test)	5m 27s
test (GODOG_FEATURE=readonly_filesystem.feature make test)	2m 16s
test (GODOG_FEATURE=recovery.feature make test)	2m 57s
test (GODOG_FEATURE=repair.feature make test)	9m 47s
test (GODOG_FEATURE=repl_mon.feature make test)	3m 36s
test (GODOG_FEATURE=statefile.feature make test)	4m 17s
test (GODOG_FEATURE=switchover_from.feature make test)	9m 57s
test (GODOG_FEATURE=switchover_to.feature make test)	11m 3s
test (GODOG_FEATURE=zk_failure.feature make test)	7m 17s
test (GODOG_FEATURE=zk_maintenance.feature make test)	4m 12s
	2h 0m 55s

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