[ 3201.168985][T28946] gre: GRE over IPv4 demultiplexor driver
[ 3202.362649][T28969] ip_gre: GRE over IPv4 tunneling driver
[ 3239.351610][T29554] ip6_gre: GRE over IPv6 tunneling driver
[ 3252.179545][T26188] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3260.069354][T29905] ping (29905) used greatest stack depth: 23296 bytes left
[ 3264.339363][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3268.115361][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.380368][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.156376][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.441789][T30472] ping (30472) used greatest stack depth: 23152 bytes left