[ 8.722707][ T245] ip (245) used greatest stack depth: 24368 bytes left [ 9.857652][ T291] gre: GRE over IPv4 demultiplexer driver [ 9.869864][ T291] ip_gre: GRE over IPv4 tunneling driver [ 10.339862][ T314] 8021q: 802.1Q VLAN Support v1.8 [ 11.167806][ T354] GACT probability NOT on [ 11.178909][ T351] tc (351) used greatest stack depth: 24272 bytes left [ 214.108599][ T6215] ping6 (6215) used greatest stack depth: 23600 bytes left