[ 1534.260987][T20705] gre: GRE over IPv4 demultiplexer driver
[ 1534.758274][T20728] ip_gre: GRE over IPv4 tunneling driver
[ 1550.922063][T21300] ip6_gre: GRE over IPv6 tunneling driver
[ 1556.598940][T21549] ping (21549) used greatest stack depth: 22480 bytes left
[ 1561.645942][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1563.692923][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1565.677907][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1567.724917][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!