[  524.346725] gre: GRE over IPv4 demultiplexer driver
[  524.350515] ip6_gre: GRE over IPv6 tunneling driver
[  524.356262] ip6_tunnel: g1 xmit: Local address not yet configured!
[  524.360128] ip6_tunnel: g1 xmit: Local address not yet configured!
[  524.629810] ip6_tunnel: g2 xmit: Local address not yet configured!
[  524.635289] ip6_tunnel: g2 xmit: Local address not yet configured!