[  873.337920] gre: GRE over IPv4 demultiplexer driver
[  873.405162] ip_gre: GRE over IPv4 tunneling driver
[  879.793630] ip6_gre: GRE over IPv6 tunneling driver
[  883.578257] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  884.730256] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  885.882254] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  887.034253] ip6_tunnel: tep0 xmit: Local address not yet configured!