[ 3237.025296][T29022] gre: GRE over IPv4 demultiplexor driver
[ 3238.264895][T29045] ip_gre: GRE over IPv4 tunneling driver
[ 3274.260760][T29616] ip6_gre: GRE over IPv6 tunneling driver
[ 3283.774271][T11143] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3286.013757][ T7786] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3288.558016][T29866] ping (29866) used greatest stack depth: 23360 bytes left
[ 3298.046680][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3301.758672][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3304.957667][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3308.670729][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!