[ 1628.329289][T32359] gre: GRE over IPv4 demultiplexer driver
[ 1628.809103][T32382] ip_gre: GRE over IPv4 tunneling driver
[ 1644.880874][  T486] ip6_gre: GRE over IPv6 tunneling driver
[ 1652.617938][  T831] ping (831) used greatest stack depth: 22352 bytes left
[ 1655.496734][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1657.544703][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1659.400709][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1661.448723][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!