[ 3276.315589][T20454] gre: GRE over IPv4 demultiplexer driver
[ 3277.919063][T20477] ip_gre: GRE over IPv4 tunneling driver
[ 3325.666511][T21049] ip6_gre: GRE over IPv6 tunneling driver
[ 3345.985322][T21299] ping (21299) used greatest stack depth: 23104 bytes left
[ 3358.514764][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3363.313658][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3367.409656][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3372.274646][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!