[ 4712.903530][T24682] gre: GRE over IPv4 demultiplexor driver
[ 4715.059263][T24705] ip_gre: GRE over IPv4 tunneling driver
[ 4722.915174][T24770] ping (24770) used greatest stack depth: 23736 bytes left
[ 4780.186722][T25279] ip6_gre: GRE over IPv6 tunneling driver
[ 4802.833059][T25478] ping (25478) used greatest stack depth: 23696 bytes left
[ 4808.579430][T25528] ping (25528) used greatest stack depth: 23600 bytes left
[ 4825.235678][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4831.442610][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4836.819600][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4843.154625][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!