[ 1481.206562][  T625] gre: GRE over IPv4 demultiplexer driver
[ 1481.629502][  T648] ip_gre: GRE over IPv4 tunneling driver
[ 1497.130329][ T1223] ip6_gre: GRE over IPv6 tunneling driver
[ 1502.542894][ T1472] ping (1472) used greatest stack depth: 23056 bytes left
[ 1507.311812][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1509.295771][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1511.088780][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1513.071776][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!