[ 10.394479][ T224] ip (224) used greatest stack depth: 23896 bytes left [ 12.090776][ T301] gre: GRE over IPv4 demultiplexer driver [ 12.098752][ T301] ip_gre: GRE over IPv4 tunneling driver [ 12.602413][ T324] 8021q: 802.1Q VLAN Support v1.8 [ 13.464128][ T364] GACT probability NOT on [ 308.830896][ T8143] ping6 (8143) used greatest stack depth: 23432 bytes left