[  646.436700][ T5631] gre: GRE over IPv4 demultiplexor driver
[  646.477466][ T5631] ip_gre: GRE over IPv4 tunneling driver
[  646.843005][ T5637] ip (5637) used greatest stack depth: 23720 bytes left
[  648.150045][ T5653] 8021q: 802.1Q VLAN Support v1.8