[ 8.409069][ T184] ip (184) used greatest stack depth: 24128 bytes left [ 10.115415][ T253] gre: GRE over IPv4 demultiplexer driver [ 10.126027][ T253] ip_gre: GRE over IPv4 tunneling driver [ 10.644364][ T276] 8021q: 802.1Q VLAN Support v1.8 [ 11.537196][ T314] GACT probability NOT on [ 87.470922][ T2689] ping6 (2689) used greatest stack depth: 23864 bytes left