[ 1586.244541][ T2587] gre: GRE over IPv4 demultiplexer driver
[ 1586.794194][ T2610] ip_gre: GRE over IPv4 tunneling driver
[ 1606.440961][ T3185] ip6_gre: GRE over IPv6 tunneling driver
[ 1613.382138][ T3435] ping (3435) used greatest stack depth: 23376 bytes left
[ 1618.659547][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1620.770519][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1623.074522][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1625.379528][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1648.808412][ T4518] ping (4518) used greatest stack depth: 22864 bytes left