[ 14.131481][ T249] ip (249) used greatest stack depth: 24304 bytes left [ 20.601092][ T327] gre: GRE over IPv4 demultiplexer driver [ 20.620488][ T327] ip_gre: GRE over IPv4 tunneling driver [ 22.977009][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 26.931891][ T390] GACT probability NOT on [ 1613.730948][T16297] ping6 (16297) used greatest stack depth: 24056 bytes left