[ 18.156183][ T251] ip (251) used greatest stack depth: 24672 bytes left [ 19.247084][ T273] ip (273) used greatest stack depth: 24048 bytes left [ 24.525503][ T327] gre: GRE over IPv4 demultiplexer driver [ 24.555234][ T327] ip_gre: GRE over IPv4 tunneling driver [ 26.868215][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 30.814912][ T389] GACT probability NOT on [ 1298.422657][T12356] ping6 (12356) used greatest stack depth: 24000 bytes left