[ 15.922554][ T226] ip (226) used greatest stack depth: 24032 bytes left [ 19.065848][ T305] gre: GRE over IPv4 demultiplexer driver [ 19.086596][ T305] ip_gre: GRE over IPv4 tunneling driver [ 20.062321][ T335] 8021q: 802.1Q VLAN Support v1.8 [ 21.547928][ T377] GACT probability NOT on [ 231.181228][ T3326] ping6 (3326) used greatest stack depth: 23728 bytes left