[ 3459.773779][T15403] gre: GRE over IPv4 demultiplexor driver
[ 3461.915885][T15426] ip_gre: GRE over IPv4 tunneling driver
[ 3523.183567][T16001] ip6_gre: GRE over IPv6 tunneling driver
[ 3543.780438][T16200] ping (16200) used greatest stack depth: 22224 bytes left
[ 3564.213236][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3570.228174][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3575.349152][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3581.492177][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!