[ 14.248878][ T251] ip (251) used greatest stack depth: 24288 bytes left [ 20.724923][ T327] gre: GRE over IPv4 demultiplexer driver [ 20.741253][ T327] ip_gre: GRE over IPv4 tunneling driver [ 22.949474][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 26.904843][ T388] GACT probability NOT on [ 1642.152343][T16606] ping6 (16606) used greatest stack depth: 23640 bytes left