tree 5af8d691e786474c760d2e04b7123daebd82e23a
parent 59f1539ece7b8da296f4d7090e98762c1d1566cc
author Keith <keith@rhizomatica.org> 1603176050 +0200
committer Keith Whyte <keith@rhizomatica.org> 1689307164 +0100

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