[ 1580.758710][ T2384] gre: GRE over IPv4 demultiplexer driver
[ 1581.233412][ T2407] ip_gre: GRE over IPv4 tunneling driver
[ 1597.899856][ T2979] ip6_gre: GRE over IPv6 tunneling driver
[ 1604.055800][ T3229] ping (3229) used greatest stack depth: 22864 bytes left
[ 1605.062948][ T3273] ping (3273) used greatest stack depth: 22608 bytes left
[ 1609.221396][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1611.334343][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1613.254344][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1615.366347][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!