[ 4674.979963][T24749] gre: GRE over IPv4 demultiplexor driver
[ 4677.173810][T24772] ip_gre: GRE over IPv4 tunneling driver
[ 4742.881046][T25343] ip6_gre: GRE over IPv6 tunneling driver
[ 4750.577173][T25405] ping (25405) used greatest stack depth: 23296 bytes left
[ 4788.595411][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4794.996248][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4800.308271][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4806.580272][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!