[  510.162997] ip_gre: GRE over IPv4 tunneling driver
[  519.553504] ip6_tnl_xmit_ctl: 4 callbacks suppressed
[  519.553518] ip6_tunnel: tep1 xmit: Local address not yet configured!
[  525.049521] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  526.457530] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  527.801526] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  529.210497] ip6_tunnel: tep0 xmit: Local address not yet configured!