[ 3061.407121][T17245] gre: GRE over IPv4 demultiplexor driver
[ 3063.542061][T17268] ip_gre: GRE over IPv4 tunneling driver
[ 3124.633526][T17845] ip6_gre: GRE over IPv6 tunneling driver
[ 3150.614897][T18094] ping (18094) used greatest stack depth: 23616 bytes left
[ 3165.912492][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3171.800403][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3176.664374][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3182.552403][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.669745][T19189] ping (19189) used greatest stack depth: 22560 bytes left