[ 1567.252753][T31433] gre: GRE over IPv4 demultiplexer driver
[ 1567.757201][T31456] ip_gre: GRE over IPv4 tunneling driver
[ 1584.012851][T32032] ip6_gre: GRE over IPv6 tunneling driver
[ 1587.807216][ T4382] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1588.577169][T32231] ping (32231) used greatest stack depth: 23664 bytes left
[ 1589.719342][T32281] ping (32281) used greatest stack depth: 23072 bytes left
[ 1594.671136][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1596.718143][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1598.575126][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1600.623139][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!