[ 1472.619780][ T2204] gre: GRE over IPv4 demultiplexer driver
[ 1473.131977][ T2227] ip_gre: GRE over IPv4 tunneling driver
[ 1489.028553][ T2798] ip6_gre: GRE over IPv6 tunneling driver
[ 1496.686104][ T3141] ping (3141) used greatest stack depth: 23072 bytes left
[ 1499.520228][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1501.569200][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1503.424203][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1505.408209][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!