[ 15.769155][ T272] ip (272) used greatest stack depth: 24064 bytes left [ 21.495801][ T326] gre: GRE over IPv4 demultiplexer driver [ 21.514348][ T326] ip_gre: GRE over IPv4 tunneling driver [ 23.820455][ T349] 8021q: 802.1Q VLAN Support v1.8 [ 27.855299][ T388] GACT probability NOT on [ 166.701903][ T1036] ping6 (1036) used greatest stack depth: 23632 bytes left