[ 8.490272][ T220] ip (220) used greatest stack depth: 24016 bytes left [ 10.123272][ T292] gre: GRE over IPv4 demultiplexer driver [ 10.136366][ T292] ip_gre: GRE over IPv4 tunneling driver [ 10.623808][ T316] 8021q: 802.1Q VLAN Support v1.8 [ 11.533266][ T355] GACT probability NOT on [ 183.545794][ T5202] ping6 (5202) used greatest stack depth: 23728 bytes left