[ 1466.419946][  T413] gre: GRE over IPv4 demultiplexer driver
[ 1466.890969][  T436] ip_gre: GRE over IPv4 tunneling driver
[ 1476.880296][  T784] ping (784) used greatest stack depth: 22768 bytes left
[ 1486.461607][ T1009] ip6_gre: GRE over IPv6 tunneling driver
[ 1499.811962][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1501.923978][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1504.099942][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1506.659959][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!