[ 3257.712713][T32540] gre: GRE over IPv4 demultiplexor driver
[ 3258.952341][T32564] ip_gre: GRE over IPv4 tunneling driver
[ 3306.128240][  T671] ip6_gre: GRE over IPv6 tunneling driver
[ 3325.617919][  T920] ping (920) used greatest stack depth: 23344 bytes left
[ 3338.003233][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3342.867094][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3346.835139][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3351.635071][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3474.355528][ T3217] ping (3217) used greatest stack depth: 22640 bytes left