[ 16.652095][ T249] ip (249) used greatest stack depth: 24256 bytes left [ 23.328221][ T325] gre: GRE over IPv4 demultiplexer driver [ 23.347063][ T325] ip_gre: GRE over IPv4 tunneling driver [ 25.732112][ T348] 8021q: 802.1Q VLAN Support v1.8 [ 30.163685][ T387] GACT probability NOT on [ 203.376530][ T1431] ping6 (1431) used greatest stack depth: 23968 bytes left [ 807.048683][ T7559] ping6 (7559) used greatest stack depth: 23872 bytes left