[ 4455.799840][T26083] gre: GRE over IPv4 demultiplexor driver [ 4457.850815][T26106] ip_gre: GRE over IPv4 tunneling driver [ 4518.877010][T26679] ip6_gre: GRE over IPv6 tunneling driver [ 4526.190443][T26740] ping (26740) used greatest stack depth: 23600 bytes left [ 4545.790844][T26928] ping (26928) used greatest stack depth: 23376 bytes left [ 4561.496475][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4567.320406][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4572.312419][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4578.200412][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!