[ 4014.491127][T24600] gre: GRE over IPv4 demultiplexor driver [ 4016.556280][T24624] ip_gre: GRE over IPv4 tunneling driver [ 4079.116697][T25198] ip6_gre: GRE over IPv6 tunneling driver [ 4106.573971][T25447] ping (25447) used greatest stack depth: 23360 bytes left [ 4122.244934][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4128.260838][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4133.382820][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4139.269833][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!