[ 14.285055][ T251] ip (251) used greatest stack depth: 24288 bytes left [ 20.819299][ T329] gre: GRE over IPv4 demultiplexer driver [ 20.844112][ T329] ip_gre: GRE over IPv4 tunneling driver [ 23.079963][ T352] 8021q: 802.1Q VLAN Support v1.8 [ 27.118183][ T390] GACT probability NOT on [ 788.732688][ T7473] ping6 (7473) used greatest stack depth: 24024 bytes left