[ 17.151111][ T251] ip (251) used greatest stack depth: 23872 bytes left [ 24.730401][ T328] gre: GRE over IPv4 demultiplexer driver [ 24.754031][ T328] ip_gre: GRE over IPv4 tunneling driver [ 26.982924][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 31.141473][ T389] GACT probability NOT on [ 1818.306051][T16177] ping6 (16177) used greatest stack depth: 23856 bytes left