[ 1534.396501][T31356] gre: GRE over IPv4 demultiplexer driver
[ 1534.897136][T31379] ip_gre: GRE over IPv4 tunneling driver
[ 1550.811557][T31950] ip6_gre: GRE over IPv6 tunneling driver
[ 1556.433669][T32199] ping (32199) used greatest stack depth: 23072 bytes left
[ 1557.544921][   T60] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1561.391866][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1563.376852][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1565.231858][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1567.216861][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!