[  536.264325] ip_gre: GRE over IPv4 tunneling driver
[  552.062047] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  553.534064] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  554.942068] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  556.414042] ip6_tunnel: tep0 xmit: Local address not yet configured!