Test subnet mask (interface IP belongs to the host):
$ ip route get 10.0.0.2
Test ARP:
$ arping -I tap0 10.0.0.2
Test ICMP (currently not working with standard ping implementation possibly do to some incompatibilities between sockets)
$ ping 10.0.0.2
Test UDP
$ echo "Some payload" > /dev/udp/10.0.0.2/3000