[ 2023.405292][ T9940] gre: GRE over IPv4 demultiplexer driver
[ 2023.420765][ T9940] ip_gre: GRE over IPv4 tunneling driver
[ 2029.336040][ T9976] ip6_gre: GRE over IPv6 tunneling driver
[ 2035.071997][    C1] ip6_tunnel: eoudp6 xmit: Local address not yet configured!