[ 1357.170694][T16042] gre: GRE over IPv4 demultiplexer driver
[ 1357.577296][T16065] ip_gre: GRE over IPv4 tunneling driver
[ 1372.317518][T16638] ip6_gre: GRE over IPv6 tunneling driver
[ 1377.367344][T16887] ping (16887) used greatest stack depth: 23776 bytes left
[ 1381.975951][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1383.895919][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1385.687927][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1387.606933][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1408.755559][T18114] ping (18114) used greatest stack depth: 23632 bytes left