[ 10.986677][ T224] ip (224) used greatest stack depth: 23768 bytes left [ 12.787610][ T304] gre: GRE over IPv4 demultiplexer driver [ 12.797383][ T304] ip_gre: GRE over IPv4 tunneling driver [ 13.341489][ T327] 8021q: 802.1Q VLAN Support v1.8 [ 14.284072][ T365] GACT probability NOT on [ 405.138380][T11803] ping6 (11803) used greatest stack depth: 23488 bytes left