[ 3370.622839][T22591] gre: GRE over IPv4 demultiplexor driver
[ 3371.951668][T22614] ip_gre: GRE over IPv4 tunneling driver
[ 3407.830619][T23188] ip6_gre: GRE over IPv6 tunneling driver
[ 3422.675115][T23442] ping (23442) used greatest stack depth: 23552 bytes left
[ 3428.079729][T23536] ping (23536) used greatest stack depth: 23296 bytes left
[ 3432.446743][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3436.350619][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3439.679610][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3443.518618][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3577.645425][T25717] ping (25717) used greatest stack depth: 22368 bytes left