[ 4484.354739][T26100] gre: GRE over IPv4 demultiplexor driver [ 4486.446869][T26123] ip_gre: GRE over IPv4 tunneling driver [ 4494.035743][T26187] ping (26187) used greatest stack depth: 23352 bytes left [ 4513.828142][T26375] ping (26375) used greatest stack depth: 22624 bytes left [ 4547.960019][T26703] ip6_gre: GRE over IPv6 tunneling driver [ 4590.054315][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4595.878011][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4600.806014][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4606.631003][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!