[ 17.850254][ T302] ip (302) used greatest stack depth: 24048 bytes left [ 20.306572][ T327] gre: GRE over IPv4 demultiplexer driver [ 20.322979][ T327] ip_gre: GRE over IPv4 tunneling driver [ 22.388148][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 26.269572][ T388] GACT probability NOT on [ 1464.930370][T14495] ping6 (14495) used greatest stack depth: 23600 bytes left