[ 13.946487][ T250] ip (250) used greatest stack depth: 24192 bytes left [ 20.848372][ T328] gre: GRE over IPv4 demultiplexer driver [ 20.865452][ T328] ip_gre: GRE over IPv4 tunneling driver [ 23.350132][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 27.605577][ T389] GACT probability NOT on [ 1407.633024][T13281] ping6 (13281) used greatest stack depth: 23696 bytes left