[ 4653.789499][T25508] gre: GRE over IPv4 demultiplexor driver [ 4656.004183][T25531] ip_gre: GRE over IPv4 tunneling driver [ 4685.370357][T25785] ping (25785) used greatest stack depth: 22816 bytes left [ 4723.363954][T26107] ip6_gre: GRE over IPv6 tunneling driver [ 4770.549571][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4776.950431][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4782.197421][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4788.725537][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!