[ 4643.617785][T25558] gre: GRE over IPv4 demultiplexor driver [ 4646.045550][T25582] ip_gre: GRE over IPv4 tunneling driver [ 4715.007924][T26162] ip6_gre: GRE over IPv6 tunneling driver [ 4744.978538][T26412] ping (26412) used greatest stack depth: 23472 bytes left [ 4762.794632][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4769.386546][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4775.082545][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4781.930574][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured!