[ 9.038193][ T196] ip (196) used greatest stack depth: 23744 bytes left [ 10.546835][ T250] gre: GRE over IPv4 demultiplexer driver [ 10.556175][ T250] ip_gre: GRE over IPv4 tunneling driver [ 11.109713][ T273] 8021q: 802.1Q VLAN Support v1.8 [ 12.075542][ T312] GACT probability NOT on [ 226.596886][ T9717] ping6 (9717) used greatest stack depth: 23456 bytes left