[ 4472.205917][T26208] gre: GRE over IPv4 demultiplexor driver [ 4474.236640][T26231] ip_gre: GRE over IPv4 tunneling driver [ 4538.737852][T26809] ip6_gre: GRE over IPv6 tunneling driver [ 4572.147800][T27058] ping (27058) used greatest stack depth: 23648 bytes left [ 4590.004543][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4596.148433][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4601.460444][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4607.541416][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!