[ 3207.545965][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3209.286751][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3259.013359][T24266] ip6_gre: GRE over IPv6 tunneling driver
[ 3279.975799][T24515] ping (24515) used greatest stack depth: 23648 bytes left
[ 3292.803415][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3297.794383][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.083339][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3307.011346][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!