[ 4685.809092][T24830] gre: GRE over IPv4 demultiplexor driver
[ 4688.186148][T24853] ip_gre: GRE over IPv4 tunneling driver
[ 4753.536544][T25431] ip6_gre: GRE over IPv6 tunneling driver
[ 4771.211456][T25586] ping (25586) used greatest stack depth: 23440 bytes left
[ 4797.683495][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4804.147438][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4809.395422][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4815.604405][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!