[ 1556.829451][T32124] gre: GRE over IPv4 demultiplexer driver
[ 1557.233994][T32147] ip_gre: GRE over IPv4 tunneling driver
[ 1572.482688][T32724] ip6_gre: GRE over IPv6 tunneling driver
[ 1579.724922][  T600] ping (600) used greatest stack depth: 23344 bytes left
[ 1582.541324][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1584.525292][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1586.317296][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1588.300308][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!