[ 9.478189][ T224] ip (224) used greatest stack depth: 24200 bytes left [ 11.342592][ T305] gre: GRE over IPv4 demultiplexer driver [ 11.360243][ T305] ip_gre: GRE over IPv4 tunneling driver [ 11.875565][ T328] 8021q: 802.1Q VLAN Support v1.8 [ 12.830864][ T367] GACT probability NOT on [ 153.176844][ T3636] ping6 (3636) used greatest stack depth: 24160 bytes left