[ 4716.902486][T24602] gre: GRE over IPv4 demultiplexor driver
[ 4719.141044][T24625] ip_gre: GRE over IPv4 tunneling driver
[ 4785.650615][T25198] ip6_gre: GRE over IPv6 tunneling driver
[ 4815.106200][T25451] ping (25451) used greatest stack depth: 23328 bytes left
[ 4832.435045][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4838.898963][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4844.338949][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4850.802931][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 5085.086243][T27721] ping (27721) used greatest stack depth: 22000 bytes left