[ 4034.751214][T24620] gre: GRE over IPv4 demultiplexor driver
[ 4036.846629][T24644] ip_gre: GRE over IPv4 tunneling driver
[ 4098.724982][T25218] ip6_gre: GRE over IPv6 tunneling driver
[ 4120.417436][T25417] ping (25417) used greatest stack depth: 22472 bytes left
[ 4141.332662][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4147.283561][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4152.339587][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4158.291569][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!