[ 1636.306907][T15180] gre: GRE over IPv4 demultiplexer driver
[ 1636.756879][T15203] ip_gre: GRE over IPv4 tunneling driver
[ 1642.061490][T15457] ping (15457) used greatest stack depth: 23264 bytes left
[ 1652.127304][T15777] ip6_gre: GRE over IPv6 tunneling driver
[ 1654.613391][T15834] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1662.198316][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1664.182323][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1665.973321][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1667.957335][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!