[ 19.509299][ T215] ip (215) used greatest stack depth: 24112 bytes left [ 21.204756][ T295] gre: GRE over IPv4 demultiplexer driver [ 21.212690][ T295] ip_gre: GRE over IPv4 tunneling driver [ 21.697239][ T319] 8021q: 802.1Q VLAN Support v1.8 [ 22.563830][ T360] GACT probability NOT on [ 297.969082][ T8535] ping6 (8535) used greatest stack depth: 23992 bytes left [ 396.796315][T11791] ping6 (11791) used greatest stack depth: 23272 bytes left