[ 1504.547104][T10849] gre: GRE over IPv4 demultiplexer driver
[ 1505.003823][T10872] ip_gre: GRE over IPv4 tunneling driver
[ 1521.234158][T11454] ip6_gre: GRE over IPv6 tunneling driver
[ 1525.865106][T11653] ping (11653) used greatest stack depth: 22992 bytes left
[ 1531.997606][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.046564][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1535.902572][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1537.950571][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!