[ 1462.786796][  T872] gre: GRE over IPv4 demultiplexer driver
[ 1463.235270][  T895] ip_gre: GRE over IPv4 tunneling driver
[ 1470.503977][ T1241] ping (1241) used greatest stack depth: 23000 bytes left
[ 1478.691358][ T1466] ip6_gre: GRE over IPv6 tunneling driver
[ 1488.820784][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1490.803749][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1492.659799][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1494.643755][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!