=== FAIL: libnetwork/networkdb TestNetworkDBNodeJoinLeaveIteration (5.81s)
[2021-07-29T18:12:43.071Z] networkdb_test.go:511: Network existence verification failed
[2021-07-29T18:12:43.071Z] networkdb_test.go:513: The networkNodes list has to have be 2 instead of 1 - [8518394491d6]
Looks like #42625 (comment) didn't fully resolve the flakiness in this test;