Fix sshuttle running

Change-Id: I401bce98cb7f0327b9956dc9a8d413c9d619ca92
diff --git a/tcp_tests/templates/cookied-bm-mcp-ocata-dvr-vxlan/salt.yaml b/tcp_tests/templates/cookied-bm-mcp-ocata-dvr-vxlan/salt.yaml
index b2acbc2..e4c2f27 100644
--- a/tcp_tests/templates/cookied-bm-mcp-ocata-dvr-vxlan/salt.yaml
+++ b/tcp_tests/templates/cookied-bm-mcp-ocata-dvr-vxlan/salt.yaml
@@ -75,8 +75,7 @@
     set -x;
     KVM01_DEPLOY_ADDRESS=$(salt-call --out=newline_values_only pillar.get _param:infra_kvm_node01_deploy_address);
     apt-get install -y sshuttle;
-    salt-call cmd.run "sshuttle -r ${KVM01_DEPLOY_ADDRESS} {{ SHARED.IPV4_NET_CONTROL }} -D &";
-    echo $?;
+    sshuttle -r ${KVM01_DEPLOY_ADDRESS} {{ SHARED.IPV4_NET_CONTROL }} -D >/dev/null;
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 5}
   skip_fail: false