[ 9.563731][ T184] ip (184) used greatest stack depth: 24112 bytes left [ 11.319553][ T261] gre: GRE over IPv4 demultiplexer driver [ 11.339497][ T261] ip_gre: GRE over IPv4 tunneling driver [ 11.846911][ T284] 8021q: 802.1Q VLAN Support v1.8 [ 12.769929][ T322] GACT probability NOT on [ 121.493557][ T3839] ping6 (3839) used greatest stack depth: 23448 bytes left