[ 3424.317721][T31410] gre: GRE over IPv4 demultiplexor driver
[ 3425.651242][T31441] ip_gre: GRE over IPv4 tunneling driver
[ 3462.048379][T32015] ip6_gre: GRE over IPv6 tunneling driver
[ 3477.017385][T32264] ping (32264) used greatest stack depth: 23360 bytes left
[ 3483.030256][T11347] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3487.126134][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3490.965186][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3494.358097][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3498.197187][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!