[ 8.219511][ T185] ip (185) used greatest stack depth: 24128 bytes left [ 9.910007][ T253] gre: GRE over IPv4 demultiplexer driver [ 9.923441][ T253] ip_gre: GRE over IPv4 tunneling driver [ 10.457564][ T276] 8021q: 802.1Q VLAN Support v1.8 [ 11.350752][ T318] GACT probability NOT on [ 324.314217][T15791] ping6 (15791) used greatest stack depth: 23776 bytes left