[ 1707.193942][ T7899] gre: GRE over IPv4 demultiplexer driver
[ 1707.656733][ T7922] ip_gre: GRE over IPv4 tunneling driver
[ 1724.014209][ T8494] ip6_gre: GRE over IPv6 tunneling driver
[ 1729.854930][ T8744] ping (8744) used greatest stack depth: 22256 bytes left
[ 1729.989884][ T5057] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1734.848424][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1736.897421][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1738.752434][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1740.801415][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!