[ 4325.751650][T29233] gre: GRE over IPv4 demultiplexer driver
[ 4327.354997][T29256] ip_gre: GRE over IPv4 tunneling driver
[ 4376.713846][T29828] ip6_gre: GRE over IPv6 tunneling driver
[ 4411.384541][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4416.440456][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4420.664472][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4425.592470][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4501.039108][T31254] ping (31254) used greatest stack depth: 23104 bytes left