[  630.956687] ip (14572) used greatest stack depth: 12208 bytes left
[  631.055951] gre: GRE over IPv4 demultiplexer driver
[  631.059237] ip6_gre: GRE over IPv6 tunneling driver
[  631.062792] ip6_tunnel: g1 xmit: Local address not yet configured!
[  631.066157] ip6_tunnel: g1 xmit: Local address not yet configured!
[  631.216798] ip6_tunnel: g2 xmit: Local address not yet configured!
[  631.219262] ip6_tunnel: g2 xmit: Local address not yet configured!