[   41.013995] ip (247) used greatest stack depth: 12560 bytes left
[   41.136930] ip (276) used greatest stack depth: 12520 bytes left
[   41.174740] ip (282) used greatest stack depth: 12456 bytes left
[   41.553176] gre: GRE over IPv4 demultiplexor driver
[   41.558975] ip6_gre: GRE over IPv6 tunneling driver
[   41.755466] 8021q: 802.1Q VLAN Support v1.8
[   42.116417] GACT probability NOT on
[   42.119059] tc (383) used greatest stack depth: 12008 bytes left