[ 4272.675336][T20225] gre: GRE over IPv4 demultiplexor driver [ 4274.655938][T20249] ip_gre: GRE over IPv4 tunneling driver [ 4337.448826][T20825] ip6_gre: GRE over IPv6 tunneling driver [ 4364.181757][T21074] ping (21074) used greatest stack depth: 21584 bytes left [ 4379.906629][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4385.922543][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4390.978514][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4396.993570][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured!