[ 1503.334683][T13012] gre: GRE over IPv4 demultiplexer driver
[ 1503.791536][T13035] ip_gre: GRE over IPv4 tunneling driver
[ 1519.303135][T13607] ip6_gre: GRE over IPv6 tunneling driver
[ 1524.724979][T13858] ping (13858) used greatest stack depth: 23320 bytes left
[ 1529.497055][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1531.481028][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1533.336031][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1535.320040][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!