[ 1650.845686][T31785] gre: GRE over IPv4 demultiplexer driver
[ 1651.310556][T31808] ip_gre: GRE over IPv4 tunneling driver
[ 1667.696375][T32380] ip6_gre: GRE over IPv6 tunneling driver
[ 1673.488500][T32629] ping (32629) used greatest stack depth: 23152 bytes left
[ 1678.470884][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1680.518848][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1682.375836][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1684.422841][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!