[ 3219.417660][T28937] gre: GRE over IPv4 demultiplexor driver [ 3220.608477][T28960] ip_gre: GRE over IPv4 tunneling driver [ 3256.344357][T29536] ip6_gre: GRE over IPv6 tunneling driver [ 3271.228306][T29786] ping (29786) used greatest stack depth: 23568 bytes left [ 3273.973715][ T61] ip6_tunnel: tep1 xmit: Local address not yet configured! [ 3280.822153][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3284.661165][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3287.925169][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 3291.701154][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured!