[ 3167.525759][T26218] gre: GRE over IPv4 demultiplexor driver [ 3168.722910][T26242] ip_gre: GRE over IPv4 tunneling driver [ 3183.836866][T26495] ping (26495) used greatest stack depth: 23856 bytes left [ 3205.221949][T26819] ip6_gre: GRE over IPv6 tunneling driver [ 3221.725976][T27068] ping (27068) used greatest stack depth: 23568 bytes left [ 3235.102578][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3240.414372][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3244.639441][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3248.862334][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!