[ 3183.383039][T28959] gre: GRE over IPv4 demultiplexor driver
[ 3184.634799][T28982] ip_gre: GRE over IPv4 tunneling driver
[ 3196.681594][T29184] ping (29184) used greatest stack depth: 23472 bytes left
[ 3220.788534][T29554] ip6_gre: GRE over IPv6 tunneling driver
[ 3241.014489][T29898] ping (29898) used greatest stack depth: 23296 bytes left
[ 3245.227542][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3249.066449][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3252.394443][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3256.234446][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!