[ 481.543158][ T1914] gre: GRE over IPv4 demultiplexor driver [ 483.659420][ T1937] ip_gre: GRE over IPv4 tunneling driver [ 491.460775][ T2001] ping (2001) used greatest stack depth: 23328 bytes left [ 545.174963][ T2510] ip6_gre: GRE over IPv6 tunneling driver [ 588.092799][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 594.173768][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 599.229709][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 605.308728][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!