[ 1475.329322][ T2371] gre: GRE over IPv4 demultiplexer driver
[ 1475.805325][ T2394] ip_gre: GRE over IPv4 tunneling driver
[ 1483.177456][ T2743] ping (2743) used greatest stack depth: 23344 bytes left
[ 1491.425545][ T2975] ip6_gre: GRE over IPv6 tunneling driver
[ 1501.714179][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1503.698140][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1505.554140][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1507.537161][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!