[ 1684.885746][T12440] gre: GRE over IPv4 demultiplexer driver
[ 1685.327567][T12463] ip_gre: GRE over IPv4 tunneling driver
[ 1700.548031][T13034] ip6_gre: GRE over IPv6 tunneling driver
[ 1705.818006][T13283] ping (13283) used greatest stack depth: 22960 bytes left
[ 1710.523895][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1712.507866][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1714.299863][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1716.283872][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!