[    1.522104] ip (247) used greatest stack depth: 12584 bytes left
[    1.559536] ip (254) used greatest stack depth: 12520 bytes left
[    1.667699] ip (272) used greatest stack depth: 12248 bytes left
[    1.997974] gre: GRE over IPv4 demultiplexor driver
[    2.002212] ip6_gre: GRE over IPv6 tunneling driver
[    2.164169] 8021q: 802.1Q VLAN Support v1.8
[    2.467869] GACT probability NOT on
[    2.470576] tc (372) used greatest stack depth: 12008 bytes left