[ 9.356439][ T181] ip (181) used greatest stack depth: 23984 bytes left [ 11.255998][ T251] gre: GRE over IPv4 demultiplexer driver [ 11.264803][ T251] ip_gre: GRE over IPv4 tunneling driver [ 11.912367][ T274] 8021q: 802.1Q VLAN Support v1.8 [ 12.979776][ T312] GACT probability NOT on [ 65.731544][ T1025] ping6 (1025) used greatest stack depth: 23760 bytes left