[ 17.751949][ T249] ip (249) used greatest stack depth: 24208 bytes left [ 24.555040][ T327] gre: GRE over IPv4 demultiplexer driver [ 24.573555][ T327] ip_gre: GRE over IPv4 tunneling driver [ 25.025690][ T333] ip (333) used greatest stack depth: 23976 bytes left [ 26.925154][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 31.055318][ T388] GACT probability NOT on [ 1420.628987][T13590] ping6 (13590) used greatest stack depth: 23920 bytes left