-| | When Initialize L2 bridge domains for multiple chains with Vhost-User
-| | ... | nf_chains=${1} | nf_nodes=${10}
+| | When Initialize layer interface
+| | ... | count=${nf_chains}
+| | And Initialize L2 bridge domains for multiple chains with Vhost-User
+| | ... | nf_chains=${nf_chains} | nf_nodes=${nf_nodes}