[ 13.878783][ T194] ip (194) used greatest stack depth: 23712 bytes left [ 16.966419][ T273] gre: GRE over IPv4 demultiplexer driver [ 16.981257][ T273] ip_gre: GRE over IPv4 tunneling driver [ 17.841284][ T292] 8021q: 802.1Q VLAN Support v1.8 [ 19.550665][ T341] GACT probability NOT on [ 129.318688][ T1564] ping6 (1564) used greatest stack depth: 23520 bytes left