[ 1489.513014][  T887] gre: GRE over IPv4 demultiplexer driver
[ 1489.933096][  T910] ip_gre: GRE over IPv4 tunneling driver
[ 1505.443953][ T1482] ip6_gre: GRE over IPv6 tunneling driver
[ 1510.854826][ T1731] ping (1731) used greatest stack depth: 23344 bytes left
[ 1515.586673][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1517.571637][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1519.362642][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1521.346653][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!