[ 1570.963045][T16099] gre: GRE over IPv4 demultiplexer driver
[ 1571.467525][T16122] ip_gre: GRE over IPv4 tunneling driver
[ 1587.337564][T16693] ip6_gre: GRE over IPv6 tunneling driver
[ 1594.882020][T17036] ping (17036) used greatest stack depth: 23072 bytes left
[ 1597.869262][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1599.917234][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1601.772238][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1603.820237][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!