[ 1557.008805][ T2397] gre: GRE over IPv4 demultiplexer driver
[ 1557.457494][ T2420] ip_gre: GRE over IPv4 tunneling driver
[ 1573.279459][ T3000] ip6_gre: GRE over IPv6 tunneling driver
[ 1577.756448][ T3200] ping (3200) used greatest stack depth: 22848 bytes left
[ 1583.758071][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1585.805030][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1587.662010][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1589.645036][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!