[ 3367.394675][T31490] gre: GRE over IPv4 demultiplexor driver
[ 3368.526422][T31515] ip_gre: GRE over IPv4 tunneling driver
[ 3404.069591][T32089] ip6_gre: GRE over IPv6 tunneling driver
[ 3410.887545][T31617] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3423.516940][T32432] ping (32432) used greatest stack depth: 23360 bytes left
[ 3427.718303][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3431.430311][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3434.630308][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3438.343316][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!