[ 4725.244231][T24823] gre: GRE over IPv4 demultiplexor driver [ 4728.138886][T24847] ip_gre: GRE over IPv4 tunneling driver [ 4798.011714][T25421] ip6_gre: GRE over IPv6 tunneling driver [ 4826.809511][T25670] ping (25670) used greatest stack depth: 23328 bytes left [ 4843.627610][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4850.027524][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4855.404486][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4861.675519][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!