[ 4444.072050][T26088] gre: GRE over IPv4 demultiplexor driver [ 4446.266244][T26111] ip_gre: GRE over IPv4 tunneling driver [ 4507.069349][T26684] ip6_gre: GRE over IPv6 tunneling driver [ 4537.703506][T26935] ping (26935) used greatest stack depth: 23376 bytes left [ 4557.333305][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4564.502055][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4570.453056][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4577.685030][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!