The roadwarrior <b>alice</b> is sitting behind the router <b>moon</b> but
at the outset of the scenario is also directly connected to the 192.168.0.0/24 network
via an additional <b>eth1</b> interface. <b>alice</b> builds up a transport mode SA to
host <b>sun</b>. When the <b>eth1</b> interface goes away, <b>alice</b> switches
to <b>eth0</b> and signals the IP address change via a MOBIKE ADDRESS_UPDATE
notification to peer <b>sun</b>. Then <b>eth1</b> is enabled again and the IPv4
traffic to <b>sun</b> is blackholed to force a switch to IPv6 with another
update. Since transport mode is used, the selectors installed on the SAs have
to be updated in addition to the IPsec policies.
