[ 9.634255][ T186] ip (186) used greatest stack depth: 24336 bytes left [ 11.699413][ T269] gre: GRE over IPv4 demultiplexer driver [ 11.713760][ T269] ip_gre: GRE over IPv4 tunneling driver [ 12.290905][ T294] 8021q: 802.1Q VLAN Support v1.8 [ 13.407838][ T333] GACT probability NOT on [ 407.522323][T15884] ping6 (15884) used greatest stack depth: 24008 bytes left