[ 4385.824886][T26305] gre: GRE over IPv4 demultiplexor driver
[ 4387.782967][T26329] ip_gre: GRE over IPv4 tunneling driver
[ 4447.406464][T26909] ip6_gre: GRE over IPv6 tunneling driver
[ 4473.276297][T27158] ping (27158) used greatest stack depth: 23648 bytes left
[ 4488.665939][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4494.488874][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4499.480895][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4505.305025][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!