[ 4246.114926][T29247] gre: GRE over IPv4 demultiplexer driver
[ 4247.755073][T29270] ip_gre: GRE over IPv4 tunneling driver
[ 4296.350654][T29842] ip6_gre: GRE over IPv6 tunneling driver
[ 4330.349653][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4335.277522][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4339.693533][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4344.621561][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4415.877687][T31236] ping (31236) used greatest stack depth: 23536 bytes left