-| | And Start containers for performance test
-| | ... | nf_chains=${1} | nf_nodes=${2} | auto_scale=${False}
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Start containers for test
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes} | auto_scale=${False}