[ 3183.220673][T27914] gre: GRE over IPv4 demultiplexor driver
[ 3184.364146][T27937] ip_gre: GRE over IPv4 tunneling driver
[ 3220.859352][T28509] ip6_gre: GRE over IPv6 tunneling driver
[ 3233.657867][T19023] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3241.635649][T28860] ping (28860) used greatest stack depth: 23360 bytes left
[ 3242.041672][T11356] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3245.881586][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3249.785613][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3253.242566][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.209562][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!