remoter: ssh_up thread uses it's own connection object to address the issue with paramiko
remoter: ssh_up thread uses it's own connection object to address the issue with paramiko

EOF sent for already closed channel: https://github.com/paramiko/paramiko/issues/1584

scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests