[ 1542.921904][T31565] gre: GRE over IPv4 demultiplexer driver
[ 1543.411285][T31588] ip_gre: GRE over IPv4 tunneling driver
[ 1559.572354][T32160] ip6_gre: GRE over IPv6 tunneling driver
[ 1564.129663][T32367] ping (32367) used greatest stack depth: 23168 bytes left
[ 1570.118915][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1572.165883][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1574.021882][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1576.069894][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!