[ 1447.994117][  T736] gre: GRE over IPv4 demultiplexer driver
[ 1448.445676][  T759] ip_gre: GRE over IPv4 tunneling driver
[ 1463.621300][ T1330] ip6_gre: GRE over IPv6 tunneling driver
[ 1469.824372][ T1623] ping (1623) used greatest stack depth: 22736 bytes left
[ 1473.668169][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1475.652139][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1477.444141][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1479.428224][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!