[ 1596.609449][ T3698] gre: GRE over IPv4 demultiplexer driver
[ 1597.244993][ T3721] ip_gre: GRE over IPv4 tunneling driver
[ 1605.290787][ T3973] ping (3973) used greatest stack depth: 23848 bytes left
[ 1617.932543][ T4292] ip6_gre: GRE over IPv6 tunneling driver
[ 1622.691283][ T4491] ping (4491) used greatest stack depth: 23728 bytes left
[ 1623.853378][ T4541] ping (4541) used greatest stack depth: 23712 bytes left
[ 1625.997463][ T4636] ping (4636) used greatest stack depth: 23136 bytes left
[ 1628.934798][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1631.174706][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1633.095698][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1635.206704][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!