[ 3208.515688][T23659] gre: GRE over IPv4 demultiplexer driver
[ 3210.127416][T23682] ip_gre: GRE over IPv4 tunneling driver
[ 3258.516190][T24254] ip6_gre: GRE over IPv6 tunneling driver
[ 3287.318267][T24604] ping (24604) used greatest stack depth: 23648 bytes left
[ 3292.487002][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3297.351901][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3301.575899][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3306.502926][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3383.873446][T25737] ping (25737) used greatest stack depth: 23104 bytes left