[ 4627.827590][T24551] gre: GRE over IPv4 demultiplexor driver
[ 4629.971675][T24574] ip_gre: GRE over IPv4 tunneling driver
[ 4630.038941][T24573] ip (24573) used greatest stack depth: 23536 bytes left
[ 4694.539692][T25147] ip6_gre: GRE over IPv6 tunneling driver
[ 4707.162898][T25252] ping (25252) used greatest stack depth: 23488 bytes left
[ 4723.307241][T25396] ping (25396) used greatest stack depth: 23360 bytes left
[ 4733.975846][T25492] ping (25492) used greatest stack depth: 23328 bytes left
[ 4740.090796][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4746.363703][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4751.546693][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4757.946703][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!