[  644.347891] ip6_gre: GRE over IPv6 tunneling driver
[  644.351964] ip6_tunnel: g1 xmit: Local address not yet configured!
[  644.354810] ip6_tunnel: g1 xmit: Local address not yet configured!
[  644.521995] ip6_tunnel: g2 xmit: Local address not yet configured!
[  644.524747] ip6_tunnel: g2 xmit: Local address not yet configured!