[    2.110227] ip (236) used greatest stack depth: 12832 bytes left
[    2.313477] ip (244) used greatest stack depth: 12592 bytes left
[    2.366714] ip (250) used greatest stack depth: 12576 bytes left
[    3.188523] 8021q: 802.1Q VLAN Support v1.8
[    3.269878] gre: GRE over IPv4 demultiplexor driver
[    3.272551] ip_gre: GRE over IPv4 tunneling driver