[ 18.465360][ T285] ip (285) used greatest stack depth: 24440 bytes left [ 23.124896][ T327] gre: GRE over IPv4 demultiplexor driver [ 23.196497][ T327] ip6_gre: GRE over IPv6 tunneling driver [ 25.430853][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 29.774707][ T389] GACT probability NOT on [ 620.112808][ T5489] ping6 (5489) used greatest stack depth: 24056 bytes left