[ 10.638063][ T229] ip (229) used greatest stack depth: 24016 bytes left [ 12.213999][ T301] gre: GRE over IPv4 demultiplexer driver [ 12.222706][ T301] ip_gre: GRE over IPv4 tunneling driver [ 12.718410][ T324] 8021q: 802.1Q VLAN Support v1.8 [ 13.638525][ T366] GACT probability NOT on [ 347.343203][T10610] ping6 (10610) used greatest stack depth: 23544 bytes left