tree 09145714e2c00caa5dd9fcf8cd0c5007b91c9a90
parent 1719abb4094f841f7cc7d26f68ea53061dccbbe2
author Keith <keith@rhizomatica.org> 1603176050 +0200
committer Keith <keith@rhizomatica.org> 1603425711 +0200

Implement ICMP response for inactive IP address.

Send ICMP Host Unreachable packets back on the tun device
in reponse to a packet received for an IP address that is
not active in our pool (No active pdp context)

Only IPv4 implemented.

Change-Id: Ia2c708feab14bb4cada00b0a90e0cb56d680d1aa