[ 1455.353413][ T1189] gre: GRE over IPv4 demultiplexer driver
[ 1455.795615][ T1212] ip_gre: GRE over IPv4 tunneling driver
[ 1471.685662][ T1783] ip6_gre: GRE over IPv6 tunneling driver
[ 1477.384941][  T255] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1482.054856][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1484.038862][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1485.893865][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1487.941873][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1509.864671][ T3207] ping (3207) used greatest stack depth: 23152 bytes left