[  255.733288] gre: GRE over IPv4 demultiplexer driver
[  255.737296] ip6_gre: GRE over IPv6 tunneling driver
[  255.741136] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.744435] ip6_tunnel: g1 xmit: Local address not yet configured!
[  255.923949] ip6_tunnel: g2 xmit: Local address not yet configured!
[  255.927202] ip6_tunnel: g2 xmit: Local address not yet configured!