Fix grep statement in L3 root_ip
Fix grep statement in L3 root_ip

The grep statement was comparing the router_ip with the SNMP OID-looking keys
instead of the values which were just the IPs.

lucwillems/SNMP-INFO,lucwillems/SNMP-INFO,42wim/snmp-info,lucwillems/SNMP-INFO,42wim/snmp-info