[   51.081299] gre: GRE over IPv4 demultiplexer driver
[   51.085946] ip6_gre: GRE over IPv6 tunneling driver
[   51.100042] ip6_tunnel: g1 xmit: Local address not yet configured!
[   51.110131] ip6_tunnel: g1 xmit: Local address not yet configured!
[   51.690877] ip6_tunnel: g2 xmit: Local address not yet configured!
[   51.702337] ip6_tunnel: g2 xmit: Local address not yet configured!