[  504.728872] gre: GRE over IPv4 demultiplexer driver
[  504.733490] ip6_gre: GRE over IPv6 tunneling driver
[  504.739773] ip6_tunnel: g1 xmit: Local address not yet configured!
[  504.743190] ip6_tunnel: g1 xmit: Local address not yet configured!
[  504.901068] ip6_tunnel: g2 xmit: Local address not yet configured!
[  504.903688] ip6_tunnel: g2 xmit: Local address not yet configured!