[ 4394.861466][T29656] gre: GRE over IPv4 demultiplexer driver
[ 4396.724635][T29679] ip_gre: GRE over IPv4 tunneling driver
[ 4445.963690][T30253] ip6_gre: GRE over IPv6 tunneling driver
[ 4480.333149][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4485.326057][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4489.549043][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4494.541037][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4566.280753][T31647] ping (31647) used greatest stack depth: 23136 bytes left