[ 1700.299153][ T3717] gre: GRE over IPv4 demultiplexer driver
[ 1700.786665][ T3740] ip_gre: GRE over IPv4 tunneling driver
[ 1719.209171][ T4311] ip6_gre: GRE over IPv6 tunneling driver
[ 1729.842177][ T4662] ping (4662) used greatest stack depth: 22816 bytes left
[ 1732.886562][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1735.190537][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1737.174525][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1739.414565][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!