[ 3173.305197][T23667] gre: GRE over IPv4 demultiplexer driver
[ 3175.004578][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 3223.646890][T24268] ip6_gre: GRE over IPv6 tunneling driver
[ 3244.256607][T24517] ping (24517) used greatest stack depth: 23552 bytes left
[ 3256.716828][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.580756][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3265.677759][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.412762][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3339.940825][T25649] ping (25649) used greatest stack depth: 22736 bytes left