[ 2907.545973][T24490] gre: GRE over IPv4 demultiplexor driver
[ 2908.529257][T24513] ip_gre: GRE over IPv4 tunneling driver
[ 2939.973111][T25088] ip6_gre: GRE over IPv6 tunneling driver
[ 2952.768820][T25338] ping (25338) used greatest stack depth: 23616 bytes left
[ 2961.445580][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2964.837496][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2967.781493][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2971.238486][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!