[  708.688798][ T3981] gre: GRE over IPv4 demultiplexor driver
[  708.758979][ T3981] ip6_gre: GRE over IPv6 tunneling driver
[  708.936255][ T3984] ip (3984) used greatest stack depth: 24048 bytes left
[  711.475917][ T4002] 8021q: 802.1Q VLAN Support v1.8
[  874.029516][ T4233] ip (4233) used greatest stack depth: 23296 bytes left