[ 4309.927617][T29188] gre: GRE over IPv4 demultiplexer driver
[ 4311.576740][T29212] ip_gre: GRE over IPv4 tunneling driver
[ 4361.157197][T29790] ip6_gre: GRE over IPv6 tunneling driver
[ 4382.206690][T30039] ping (30039) used greatest stack depth: 23440 bytes left
[ 4394.984666][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4399.912582][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4404.137587][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4409.000571][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!