[ 3310.075446][T18767] gre: GRE over IPv4 demultiplexer driver
[ 3311.679584][T18790] ip_gre: GRE over IPv4 tunneling driver
[ 3359.607040][T19369] ip6_gre: GRE over IPv6 tunneling driver
[ 3379.790757][T19618] ping (19618) used greatest stack depth: 23552 bytes left
[ 3383.626976][T12123] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3392.329049][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3397.321074][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3401.545077][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3406.282059][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!