[ 9.460252][ T187] ip (187) used greatest stack depth: 24032 bytes left [ 11.373729][ T270] gre: GRE over IPv4 demultiplexer driver [ 11.382225][ T270] ip_gre: GRE over IPv4 tunneling driver [ 12.027756][ T294] 8021q: 802.1Q VLAN Support v1.8 [ 13.079709][ T335] GACT probability NOT on [ 205.555255][ T8142] ping6 (8142) used greatest stack depth: 23984 bytes left