[ 15.050121][ T259] ip (259) used greatest stack depth: 24336 bytes left [ 21.110498][ T326] gre: GRE over IPv4 demultiplexor driver [ 21.170368][ T326] ip6_gre: GRE over IPv6 tunneling driver [ 23.494596][ T348] 8021q: 802.1Q VLAN Support v1.8 [ 27.719253][ T386] GACT probability NOT on [ 702.406670][ T6318] ping6 (6318) used greatest stack depth: 24152 bytes left