[ 9.702819][ T226] ip (226) used greatest stack depth: 24384 bytes left [ 11.177297][ T297] gre: GRE over IPv4 demultiplexer driver [ 11.188451][ T297] ip_gre: GRE over IPv4 tunneling driver [ 11.667864][ T321] 8021q: 802.1Q VLAN Support v1.8 [ 12.522932][ T359] GACT probability NOT on [ 152.517570][ T3997] ping6 (3997) used greatest stack depth: 24184 bytes left [ 236.420854][ T6792] ping6 (6792) used greatest stack depth: 24040 bytes left