[ 1693.509072][T11415] gre: GRE over IPv4 demultiplexer driver
[ 1693.951489][T11438] ip_gre: GRE over IPv4 tunneling driver
[ 1709.585287][T12010] ip6_gre: GRE over IPv6 tunneling driver
[ 1717.035469][T12355] ping (12355) used greatest stack depth: 23320 bytes left
[ 1719.884746][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1721.868713][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1723.724721][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1725.709714][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!