[ 4360.288221][T29180] gre: GRE over IPv4 demultiplexer driver
[ 4361.963573][T29203] ip_gre: GRE over IPv4 tunneling driver
[ 4411.819593][T29780] ip6_gre: GRE over IPv6 tunneling driver
[ 4433.216567][T30029] ping (30029) used greatest stack depth: 23440 bytes left
[ 4447.064470][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4452.184366][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4456.472613][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4461.721393][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!