[ 9.562003][ T222] ip (222) used greatest stack depth: 24112 bytes left [ 11.072519][ T296] gre: GRE over IPv4 demultiplexer driver [ 11.081182][ T296] ip_gre: GRE over IPv4 tunneling driver [ 11.572283][ T319] 8021q: 802.1Q VLAN Support v1.8 [ 12.454126][ T359] GACT probability NOT on [ 570.092745][T16020] ping6 (16020) used greatest stack depth: 24088 bytes left