[ 19.640011][ T251] ip (251) used greatest stack depth: 24288 bytes left [ 20.582445][ T293] gre: GRE over IPv4 demultiplexer driver [ 20.593130][ T293] ip_gre: GRE over IPv4 tunneling driver [ 21.073260][ T316] 8021q: 802.1Q VLAN Support v1.8 [ 21.903689][ T356] GACT probability NOT on [ 339.284913][T10232] ping6 (10232) used greatest stack depth: 23392 bytes left