[ 10.357976][ T224] ip (224) used greatest stack depth: 23936 bytes left [ 12.071174][ T302] gre: GRE over IPv4 demultiplexer driver [ 12.082109][ T302] ip_gre: GRE over IPv4 tunneling driver [ 12.577470][ T326] 8021q: 802.1Q VLAN Support v1.8 [ 13.427935][ T366] GACT probability NOT on [ 504.238038][T12120] ping6 (12120) used greatest stack depth: 23456 bytes left