[ 10.337831][ T224] ip (224) used greatest stack depth: 23952 bytes left [ 12.036978][ T304] gre: GRE over IPv4 demultiplexer driver [ 12.045741][ T304] ip_gre: GRE over IPv4 tunneling driver [ 12.541925][ T327] 8021q: 802.1Q VLAN Support v1.8 [ 13.420651][ T365] GACT probability NOT on [ 447.545992][T13140] ping6 (13140) used greatest stack depth: 23808 bytes left