[ 4612.631055][T24818] gre: GRE over IPv4 demultiplexor driver
[ 4614.735846][T24841] ip_gre: GRE over IPv4 tunneling driver
[ 4680.896438][T25415] ip6_gre: GRE over IPv6 tunneling driver
[ 4709.590649][T25664] ping (25664) used greatest stack depth: 23616 bytes left
[ 4726.620564][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4732.956501][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4738.269482][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4744.540486][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!