[ 4445.377970][T26320] gre: GRE over IPv4 demultiplexor driver
[ 4447.389106][T26343] ip_gre: GRE over IPv4 tunneling driver
[ 4508.829649][T26916] ip6_gre: GRE over IPv6 tunneling driver
[ 4535.348491][T27165] ping (27165) used greatest stack depth: 23616 bytes left
[ 4550.944487][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4556.897379][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4561.888405][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4567.648393][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!