[ 1472.520484][T27041] gre: GRE over IPv4 demultiplexer driver
[ 1472.978398][T27064] ip_gre: GRE over IPv4 tunneling driver
[ 1488.610374][T27635] ip6_gre: GRE over IPv6 tunneling driver
[ 1492.203521][T24162] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1494.171322][T24162] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1496.052991][T27978] ping (27978) used greatest stack depth: 23208 bytes left
[ 1498.874447][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1500.859451][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1502.714453][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1504.762443][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!