[ 1533.908488][ T6332] gre: GRE over IPv4 demultiplexer driver
[ 1534.354285][ T6355] ip_gre: GRE over IPv4 tunneling driver
[ 1550.033805][ T6927] ip6_gre: GRE over IPv6 tunneling driver
[ 1560.168935][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1562.152902][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1564.008904][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1565.991921][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!