[ 1722.765856][T10218] gre: GRE over IPv4 demultiplexer driver
[ 1723.230245][T10241] ip_gre: GRE over IPv4 tunneling driver
[ 1739.794540][T10813] ip6_gre: GRE over IPv6 tunneling driver
[ 1746.627889][T11107] ping (11107) used greatest stack depth: 23008 bytes left
[ 1750.670261][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1752.719183][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1754.638194][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1756.686232][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!