[ 1471.196659][  T947] gre: GRE over IPv4 demultiplexer driver
[ 1471.638660][  T977] ip_gre: GRE over IPv4 tunneling driver
[ 1486.936280][ T1552] ip6_gre: GRE over IPv6 tunneling driver
[ 1492.239074][ T1801] ping (1801) used greatest stack depth: 23344 bytes left
[ 1497.022939][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1498.942906][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1500.733914][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1502.717925][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!