[ 3473.038904][T29043] gre: GRE over IPv4 demultiplexor driver
[ 3474.276975][T29066] ip_gre: GRE over IPv4 tunneling driver
[ 3509.805213][T29644] ip6_gre: GRE over IPv6 tunneling driver
[ 3514.025458][   T63] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3524.216500][T29894] ping (29894) used greatest stack depth: 23632 bytes left
[ 3529.771489][T20406] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3533.610346][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3537.257333][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3540.457349][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3544.169357][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3561.566703][T30513] ping (30513) used greatest stack depth: 23408 bytes left