https://evergreen.mongodb.com/test_log/dot_net_driver_unsecure_tests_linux__version~4.2_os~ubuntu_1804_topology~replicaset_auth~noauth_ssl~nossl_test_netstandard21_patch_fd5e3f78e86c7ac0d883a344cfc25def118d350e_62140ee232f4176b1fd70f68_22_02_21_22_15_13/0?test_name=f5f3d4bab56dbab520a64ee0d8b7915e&group_id=&text=true

The solution is described in this change where we ensure that we use a cluster with all connected servers.