[ 1373.346409][ T8633] gre: GRE over IPv4 demultiplexer driver
[ 1373.840798][ T8656] ip_gre: GRE over IPv4 tunneling driver
[ 1389.682826][ T9228] ip6_gre: GRE over IPv6 tunneling driver
[ 1394.138376][ T9427] ping (9427) used greatest stack depth: 23664 bytes left
[ 1394.288262][   T72] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1400.062797][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1402.045807][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1403.901790][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1405.885811][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!