[  762.997287][ T9222] gre: GRE over IPv4 demultiplexor driver
[  763.063850][ T9222] ip6_gre: GRE over IPv6 tunneling driver
[  763.428401][ T9227] ip (9227) used greatest stack depth: 23952 bytes left
[  930.443871][ T9473] ip (9473) used greatest stack depth: 23904 bytes left