Fix jepsen ssh #580

Job	Run time
Build images	6s
test (GODOG_FEATURE=active_nodes.feature make test)	7m 3s
test (GODOG_FEATURE=async.feature make test)	3m 46s
test (GODOG_FEATURE=cascade_replicas.feature make test)	6m 52s
test (GODOG_FEATURE=CLI.feature make test)	4m 4s
test (GODOG_FEATURE=crash_recovery.feature make test)	4m 41s
test (GODOG_FEATURE=events_reenable.feature make test)	2m 14s
test (GODOG_FEATURE=failover.feature make test)	12m 24s
test (GODOG_FEATURE=free_space.feature make test)	5m 46s
test (GODOG_FEATURE=host_discovery.feature make test)	3m 6s
test (GODOG_FEATURE=host_management.feature make test)	3m 9s
test (GODOG_FEATURE=maintenance.feature make test)	4m 20s
test (GODOG_FEATURE=offline_mode.feature make test)	2m 11s
test (GODOG_FEATURE=priority.feature make test)	5m 36s
test (GODOG_FEATURE=readonly_filesystem.feature make test)	2m 6s
test (GODOG_FEATURE=recovery.feature make test)	3m 12s
test (GODOG_FEATURE=repair.feature make test)	10m 6s
test (GODOG_FEATURE=repl_mon.feature make test)	3m 39s
test (GODOG_FEATURE=statefile.feature make test)	3m 55s
test (GODOG_FEATURE=switchover_from.feature make test)	10m 24s
test (GODOG_FEATURE=switchover_to.feature make test)	10m 29s
test (GODOG_FEATURE=zk_failure.feature make test)	7m 20s
test (GODOG_FEATURE=zk_maintenance.feature make test)	4m 4s
	2h 0m 33s

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