[ 3187.783236][T27996] gre: GRE over IPv4 demultiplexor driver
[ 3188.971556][T28019] ip_gre: GRE over IPv4 tunneling driver
[ 3225.094178][T28592] ip6_gre: GRE over IPv6 tunneling driver
[ 3240.188036][T28841] ping (28841) used greatest stack depth: 23360 bytes left
[ 3240.614584][T20852] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3249.958457][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3253.798449][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.126453][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.902445][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!