[ 4445.377970][T26320] gre: GRE over IPv4 demultiplexor driver [ 4447.389106][T26343] ip_gre: GRE over IPv4 tunneling driver [ 4508.829649][T26916] ip6_gre: GRE over IPv6 tunneling driver [ 4535.348491][T27165] ping (27165) used greatest stack depth: 23616 bytes left [ 4550.944487][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4556.897379][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4561.888405][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4567.648393][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!