[ 3344.215059][T28597] gre: GRE over IPv4 demultiplexor driver [ 3345.412319][T28620] ip_gre: GRE over IPv4 tunneling driver [ 3379.954173][T29193] ip6_gre: GRE over IPv6 tunneling driver [ 3394.307087][T29443] ping (29443) used greatest stack depth: 23296 bytes left [ 3404.657825][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3408.497763][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3412.017746][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3415.857786][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!