[    2.184712] gre: GRE over IPv4 demultiplexer driver
[    2.229029] ip (201) used greatest stack depth: 12360 bytes left
[    2.257199] ip_gre: GRE over IPv4 tunneling driver
[    2.437512] ip (249) used greatest stack depth: 12352 bytes left
[    8.494837] ip6_gre: GRE over IPv6 tunneling driver
[   12.241794] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   13.393792] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   14.545793] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   15.696788] ip6_tunnel: tep0 xmit: Local address not yet configured!
[   21.471649] ip (2019) used greatest stack depth: 12256 bytes left