[ 4742.636832][T24394] gre: GRE over IPv4 demultiplexor driver [ 4744.910905][T24422] ip_gre: GRE over IPv4 tunneling driver [ 4774.149996][T24678] ping (24678) used greatest stack depth: 23888 bytes left [ 4810.841716][T24998] ip6_gre: GRE over IPv6 tunneling driver [ 4839.605803][T25252] ping (25252) used greatest stack depth: 23328 bytes left [ 4856.627684][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4862.962554][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4868.274573][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4874.611568][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 5094.981331][T27432] ping (27432) used greatest stack depth: 23232 bytes left