[  421.380052][ T4020] gre: GRE over IPv4 demultiplexer driver
[  421.409700][ T4020] ip6_gre: GRE over IPv6 tunneling driver
[  421.460938][   T12] ip6_tunnel: g1 xmit: Local address not yet configured!
[  421.496377][   T12] ip6_tunnel: g1 xmit: Local address not yet configured!
[  423.019328][   T12] ip6_tunnel: g2 xmit: Local address not yet configured!
[  423.058769][   T12] ip6_tunnel: g2 xmit: Local address not yet configured!