[ 8.721515][ T181] ip (181) used greatest stack depth: 23792 bytes left [ 10.729593][ T253] gre: GRE over IPv4 demultiplexer driver [ 10.738899][ T253] ip_gre: GRE over IPv4 tunneling driver [ 11.286596][ T276] 8021q: 802.1Q VLAN Support v1.8 [ 12.209263][ T316] GACT probability NOT on [ 93.569446][ T2640] ping6 (2640) used greatest stack depth: 23552 bytes left