[   65.182606][  T553] ip (553) used greatest stack depth: 24384 bytes left
[   66.586571][  T612] gre: GRE over IPv4 demultiplexer driver
[   66.595857][  T612] ip_gre: GRE over IPv4 tunneling driver
[   67.228024][  T635] 8021q: 802.1Q VLAN Support v1.8
[  588.161401][T12798] ping6 (12798) used greatest stack depth: 23984 bytes left
[  697.916904][T15530] ping6 (15530) used greatest stack depth: 23928 bytes left