[ 3399.355924][T30330] gre: GRE over IPv4 demultiplexor driver
[ 3400.513900][T30354] ip_gre: GRE over IPv4 tunneling driver
[ 3417.808446][T30650] ping (30650) used greatest stack depth: 23072 bytes left
[ 3436.442783][T30925] ip6_gre: GRE over IPv6 tunneling driver
[ 3461.493302][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3465.332319][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3468.724193][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3472.628202][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!