[ 1490.627635][  T831] gre: GRE over IPv4 demultiplexer driver
[ 1491.064063][  T854] ip_gre: GRE over IPv4 tunneling driver
[ 1506.450642][ T1425] ip6_gre: GRE over IPv6 tunneling driver
[ 1511.863595][ T1674] ping (1674) used greatest stack depth: 23328 bytes left
[ 1516.617039][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1518.600018][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1520.456011][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1522.440015][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!