[ 1579.756933][T28341] gre: GRE over IPv4 demultiplexer driver
[ 1580.259198][T28364] ip_gre: GRE over IPv4 tunneling driver
[ 1589.309529][T28717] ping (28717) used greatest stack depth: 22504 bytes left
[ 1598.411023][T28943] ip6_gre: GRE over IPv6 tunneling driver
[ 1610.021165][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1612.197132][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1614.117133][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1616.357165][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!