Set paramiko <=2.8.0

Change-Id: I4e5d43ab5eae124cdb4df15b0e1bc616ba65d0e1
diff --git a/tcp_tests/requirements.txt b/tcp_tests/requirements.txt
index 32df9cc..43c9f0c 100644
--- a/tcp_tests/requirements.txt
+++ b/tcp_tests/requirements.txt
@@ -2,7 +2,7 @@
 libvirt-python>=3.5.0,<4.1.0  # LGPLv2+
 git+https://github.com/openstack-archive/fuel-devops.git@10f4ac744e89bfefcba3d7d009de82669c52fa6e   # Use this requirement for Sqlite3, or if requirements for PostgreSQL are already installed
 git+https://github.com/dis-xcom/fuel-devops-driver-ironic
-paramiko
+paramiko<=2.8.0
 six
 requests>=2.2.0
 oslo.config>=6.2.1,<6.6.0 # Apache-2.0