[ 14.338997][ T252] ip (252) used greatest stack depth: 24272 bytes left [ 20.656106][ T329] gre: GRE over IPv4 demultiplexer driver [ 20.674618][ T329] ip_gre: GRE over IPv4 tunneling driver [ 22.938922][ T352] 8021q: 802.1Q VLAN Support v1.8 [ 26.921406][ T390] GACT probability NOT on [ 981.942507][T10188] ping6 (10188) used greatest stack depth: 24104 bytes left