[ 3026.323545][ T4269] gre: GRE over IPv4 demultiplexor driver
[ 3027.542815][ T4300] ip_gre: GRE over IPv4 tunneling driver
[ 3048.329256][ T4703] ping (4703) used greatest stack depth: 22864 bytes left
[ 3064.545135][ T4968] ip6_gre: GRE over IPv6 tunneling driver
[ 3089.513371][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3093.418271][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3096.745279][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3100.521286][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!