[ 15.471597][ T250] ip (250) used greatest stack depth: 24608 bytes left [ 22.520840][ T328] gre: GRE over IPv4 demultiplexer driver [ 22.539825][ T328] ip_gre: GRE over IPv4 tunneling driver [ 25.196531][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 29.448901][ T389] GACT probability NOT on [ 387.398266][ T3386] ping6 (3386) used greatest stack depth: 23968 bytes left