[ 2860.284567][T23667] gre: GRE over IPv4 demultiplexer driver
[ 2861.847979][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 2908.487428][T24262] ip6_gre: GRE over IPv6 tunneling driver
[ 2935.955514][T24605] ping (24605) used greatest stack depth: 23528 bytes left
[ 2940.969574][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2945.832521][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2949.928517][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2954.664516][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!