[ 8.964256][ T187] ip (187) used greatest stack depth: 24288 bytes left [ 10.810485][ T256] gre: GRE over IPv4 demultiplexer driver [ 10.819280][ T256] ip_gre: GRE over IPv4 tunneling driver [ 11.404636][ T279] 8021q: 802.1Q VLAN Support v1.8 [ 12.350951][ T317] GACT probability NOT on [ 12.360674][ T315] tc (315) used greatest stack depth: 24192 bytes left [ 90.707331][ T2551] ping6 (2551) used greatest stack depth: 24080 bytes left