[ 1638.061686][ T1684] gre: GRE over IPv4 demultiplexer driver
[ 1638.568573][ T1707] ip_gre: GRE over IPv4 tunneling driver
[ 1654.978244][ T2278] ip6_gre: GRE over IPv6 tunneling driver
[ 1655.529495][ T6583] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1662.915161][ T2622] ping (2622) used greatest stack depth: 23144 bytes left
[ 1665.793443][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1667.841448][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1669.762435][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1671.873446][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!