[  325.699029][ T3137] gre: GRE over IPv4 demultiplexor driver
[  327.242251][ T3160] ip_gre: GRE over IPv4 tunneling driver
[  372.304712][ T3737] ip6_gre: GRE over IPv6 tunneling driver
[  387.891328][ T3943] ping (3943) used greatest stack depth: 24048 bytes left
[  388.296684][   T51] ip6_tunnel: tep1 xmit: Local address not yet configured!
[  398.674942][ T4087] ping (4087) used greatest stack depth: 23440 bytes left
[  403.656426][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  408.264403][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  412.296437][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  416.968447][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!