correctly parse empty as-path and check the type received
correctly parse empty as-path and check the type received

earies/exabgp,chrisy/exabgp,PowerDNS/exabgp,blablacar/exabgp,PowerDNS/exabgp,lochiiconnectivity/exabgp,fugitifduck/exabgp,lochiiconnectivity/exabgp,earies/exabgp,fugitifduck/exabgp,chrisy/exabgp,lochiiconnectivity/exabgp,blablacar/exabgp,benagricola/exabgp,dneiter/exabgp,fugitifduck/exabgp,chrisy/exabgp,benagricola/exabgp,earies/exabgp,dneiter/exabgp,blablacar/exabgp,dneiter/exabgp,benagricola/exabgp,PowerDNS/exabgp