[   20.318163] ip (248) used greatest stack depth: 12680 bytes left
[   20.361957] ip (264) used greatest stack depth: 12544 bytes left
[   20.497816] ip (283) used greatest stack depth: 12288 bytes left
[   20.914277] gre: GRE over IPv4 demultiplexor driver
[   20.920414] ip6_gre: GRE over IPv6 tunneling driver
[   21.102747] 8021q: 802.1Q VLAN Support v1.8
[   21.429197] GACT probability NOT on
[   21.431810] tc (384) used greatest stack depth: 11992 bytes left