[ 14.559193][ T252] ip (252) used greatest stack depth: 24224 bytes left [ 20.724649][ T328] gre: GRE over IPv4 demultiplexer driver [ 20.741958][ T328] ip_gre: GRE over IPv4 tunneling driver [ 23.024419][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 27.043305][ T389] GACT probability NOT on [ 1360.565705][T13304] ping6 (13304) used greatest stack depth: 24032 bytes left