[ 2975.925585][ T3687] gre: GRE over IPv4 demultiplexor driver
[ 2977.199760][ T3718] ip_gre: GRE over IPv4 tunneling driver
[ 3014.326823][ T4387] ip6_gre: GRE over IPv6 tunneling driver
[ 3019.273644][ T4456] ping (4456) used greatest stack depth: 23328 bytes left
[ 3030.477240][ T2204] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3033.101328][   T30] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3040.462116][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3044.365106][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3047.885121][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3051.789123][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!