[ 1503.081790][  T462] gre: GRE over IPv4 demultiplexer driver
[ 1503.555263][  T492] ip_gre: GRE over IPv4 tunneling driver
[ 1518.956191][ T1065] ip6_gre: GRE over IPv6 tunneling driver
[ 1526.292535][ T1416] ping (1416) used greatest stack depth: 23344 bytes left
[ 1529.158001][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1531.141974][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1532.997973][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.982970][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!