[ 3156.069769][T28936] gre: GRE over IPv4 demultiplexor driver
[ 3157.204411][T28959] ip_gre: GRE over IPv4 tunneling driver
[ 3192.353769][T29532] ip6_gre: GRE over IPv6 tunneling driver
[ 3196.411894][T29593] ping (29593) used greatest stack depth: 23552 bytes left
[ 3204.450666][T26626] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3216.353141][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3220.001131][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3223.137139][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3226.785147][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!