[strongSwan] IPv6 tunnel connection ping with no response, and Router Advertisement multicast

I have a Strongswan IPv6 tunnel connection over the normal IPv4, and sometimes the IPv6 ping to the server does not get ping reply. Has anyone seen this issue too? The reason for sending the ping over the secure IPv6 tunnel is to test if the tunnel connection is up and running. Checking the

[strongSwan] New virtual IP at reauthentication with make_before_break kills initiators routing table

Hi, we are facing the following problem: We are using a Strongswan-Client (Initiator, details below) to open up a Tunnel with reauthentication enabled and make_before_break=yes. After opening up a tunnel initially, we see local (clients) ip routes as follows (as expected): ip route list table 2