[  437.944404] gre: GRE over IPv4 demultiplexer driver
[  437.947437] ip6_gre: GRE over IPv6 tunneling driver
[  437.952970] ip6_tunnel: g1 xmit: Local address not yet configured!
[  437.956860] ip6_tunnel: g1 xmit: Local address not yet configured!
[  438.169416] ip6_tunnel: g2 xmit: Local address not yet configured!
[  438.173449] ip6_tunnel: g2 xmit: Local address not yet configured!