diff --git a/tcp_tests/templates/underlay/mk22-lab-basic--user-data1604.yaml b/tcp_tests/templates/underlay/mk22-lab-basic--user-data1604.yaml
index a56061d..4ec3a67 100644
--- a/tcp_tests/templates/underlay/mk22-lab-basic--user-data1604.yaml
+++ b/tcp_tests/templates/underlay/mk22-lab-basic--user-data1604.yaml
@@ -34,13 +34,23 @@
    #- sudo route add default gw {gateway} {interface_name}
    - sudo ifup ens4
 
+   # Create swap
+   - fallocate -l 4G /swapfile
+   - chmod 600 /swapfile
+   - mkswap /swapfile
+   - swapon /swapfile
+   - echo "/swapfile   none    swap    defaults   0   0" >> /etc/fstab
+
    ############## TCP Cloud cfg01 node ##################
    #- sleep 120
    - echo "Preparing base OS"
    - which wget >/dev/null || (apt-get update; apt-get install -y wget)
 
-   - echo "deb [arch=amd64] http://apt.tcpcloud.eu/nightly/ xenial main security extra tcp tcp-salt" > /etc/apt/sources.list
+   - echo "deb [arch=amd64] http://apt.tcpcloud.eu/nightly/ xenial main security tcp tcp-salt" > /etc/apt/sources.list
    - wget -O - http://apt.tcpcloud.eu/public.gpg | apt-key add -
+   # saltstack repo is for minions that have the same version in the xenial and trusty (2016.3.3)
+   - echo "deb http://repo.saltstack.com/apt/ubuntu/16.04/amd64/latest xenial main" > /etc/apt/sources.list.d/saltstack.list
+   - wget -O - https://repo.saltstack.com/apt/ubuntu/16.04/amd64/latest/SALTSTACK-GPG-KEY.pub | apt-key add -
 
    - apt-get clean
    - apt-get update