[  447.403027][T18571] ip (18571) used greatest stack depth: 23728 bytes left
[  447.618420][T18578] gre: GRE over IPv4 demultiplexer driver
[  447.628442][T18578] ip_gre: GRE over IPv4 tunneling driver
[  448.134149][T18603] 8021q: 802.1Q VLAN Support v1.8