[ 4700.798487][T24670] gre: GRE over IPv4 demultiplexor driver
[ 4702.977300][T24693] ip_gre: GRE over IPv4 tunneling driver
[ 4737.108164][T24989] ping (24989) used greatest stack depth: 23472 bytes left
[ 4768.913180][T25265] ip6_gre: GRE over IPv6 tunneling driver
[ 4808.230187][T25610] ping (25610) used greatest stack depth: 23328 bytes left
[ 4814.385424][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4820.658355][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4825.841354][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4832.113333][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4998.758554][T27263] ping (27263) used greatest stack depth: 23296 bytes left