[ 1324.226700][T29464] gre: GRE over IPv4 demultiplexer driver
[ 1324.719742][T29487] ip_gre: GRE over IPv4 tunneling driver
[ 1330.190383][T29739] ping (29739) used greatest stack depth: 24096 bytes left
[ 1334.414846][T29906] ip (29906) used greatest stack depth: 24016 bytes left
[ 1340.525980][T30058] ip6_gre: GRE over IPv6 tunneling driver
[ 1346.095758][T30308] ping (30308) used greatest stack depth: 23712 bytes left
[ 1347.023661][T30352] ping (30352) used greatest stack depth: 23664 bytes left
[ 1350.949007][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1352.933976][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1354.788969][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1356.773971][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!