[ 13.939950][ T186] ip (186) used greatest stack depth: 24336 bytes left [ 16.914073][ T266] gre: GRE over IPv4 demultiplexer driver [ 16.928501][ T266] ip_gre: GRE over IPv4 tunneling driver [ 17.881948][ T289] 8021q: 802.1Q VLAN Support v1.8 [ 19.384491][ T330] GACT probability NOT on [ 274.528294][ T6519] ping6 (6519) used greatest stack depth: 24144 bytes left