Update configuration file to new pfring format.

suricata.yaml

@@ -530,6 +530,7 @@ logging:
 # PF_RING configuration. for use with native PF_RING support
 # for more info see http://www.ntop.org/PF_RING.html
 pfring:
+  - interface: eth0
     # Number of receive threads (>1 will enable experimental flow pinned
     # runmode)
     threads: 1
@@ -545,6 +546,11 @@ pfring:
     # Default PF_RING cluster type. PF_RING can load balance per flow or per hash.
     # This is only supported in versions of PF_RING > 4.1.1.
     cluster-type: cluster_round_robin
+  # Second interface
+  #- interface: eth1
+  #  threads: 3
+  #  cluster-id: 93
+  #  cluster-type: cluster_flow
 
 # For FreeBSD ipfw(8) divert(4) support.
 # Please make sure you have ipfw_load="YES" and ipdivert_load="YES"