[ 10.163182][ T226] ip (226) used greatest stack depth: 23824 bytes left [ 12.095769][ T306] gre: GRE over IPv4 demultiplexer driver [ 12.103565][ T306] ip_gre: GRE over IPv4 tunneling driver [ 12.664271][ T329] 8021q: 802.1Q VLAN Support v1.8 [ 13.606133][ T368] GACT probability NOT on [ 187.433063][ T4291] ping6 (4291) used greatest stack depth: 23600 bytes left