[ 1462.212780][ T3763] gre: GRE over IPv4 demultiplexer driver
[ 1462.686870][ T3786] ip_gre: GRE over IPv4 tunneling driver
[ 1477.599293][ T4357] ip6_gre: GRE over IPv6 tunneling driver
[ 1484.564018][ T4705] ping (4705) used greatest stack depth: 23208 bytes left
[ 1487.311676][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1489.231643][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1491.022648][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1492.943656][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!