[ 3445.263624][T15401] gre: GRE over IPv4 demultiplexor driver
[ 3447.585675][T15424] ip_gre: GRE over IPv4 tunneling driver
[ 3475.264084][T15679] ping (15679) used greatest stack depth: 22736 bytes left
[ 3509.834045][T15998] ip6_gre: GRE over IPv6 tunneling driver
[ 3552.132318][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3557.892210][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3563.076188][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3568.964193][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!