[  478.323391] gre: GRE over IPv4 demultiplexer driver
[  478.328276] ip6_gre: GRE over IPv6 tunneling driver
[  478.329064] modprobe (11006) used greatest stack depth: 12336 bytes left
[  478.332325] ip6_tunnel: g1 xmit: Local address not yet configured!
[  478.335743] ip6_tunnel: g1 xmit: Local address not yet configured!
[  478.534440] ip6_tunnel: g2 xmit: Local address not yet configured!
[  478.537392] ip6_tunnel: g2 xmit: Local address not yet configured!