That sounded ideal, but sadly my Net::Pcap does not define findalldevs, although it is present in libpcap: 
$ perl -MNet::Pcap -e 'Net::Pcap::findalldevs()'
Can't locate auto/Net/Pcap/findalldevs.al in @INC 

$ perlver Net::Pcap
0.04

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In reply to Re^2: Network interface discovery by moot
in thread Network interface discovery by moot

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