[ 1686.861645][T14012] gre: GRE over IPv4 demultiplexer driver
[ 1687.413598][T14035] ip_gre: GRE over IPv4 tunneling driver
[ 1705.537810][T14607] ip6_gre: GRE over IPv6 tunneling driver
[ 1708.604722][T23283] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1714.665579][T14951] ping (14951) used greatest stack depth: 22592 bytes left
[ 1717.701751][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1719.941618][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1721.925608][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1723.909617][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!