FWIW / Workaround: Uninstalled arp-scan From https://github.com/royhills/arp-scan, made and installe arp-scan, and it's working:
sander@xubuntu:~$ sudo arp-scan --localnet --interface=wlp2s0 | head -4 Interface: wlp2s0, type: EN10MB, MAC: 84:4b:f5:47:70:6d, IPv4: 192.168.178.31 Target list from interface: network 192.168.178.0 netmask 255.255.255.0 Starting arp-scan 1.10.1-git with 256 hosts (https://github.com/royhills/arp-scan) 192.168.178.1 48:d3:43:f5:14:50 ARRIS Group, Inc. sander@xubuntu:~$ sander@xubuntu:~$ which arp-scan /usr/local/bin/arp-scan -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2087731 Title: WARNING: Cannot open MAC/Vendor file ieee-oui.txt: Permission denied To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/arp-scan/+bug/2087731/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
