[ 14.475812][ T260] ip (260) used greatest stack depth: 23760 bytes left [ 20.254565][ T327] gre: GRE over IPv4 demultiplexer driver [ 20.270204][ T327] ip_gre: GRE over IPv4 tunneling driver [ 22.588386][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 26.339004][ T388] GACT probability NOT on [ 591.209515][ T5792] ping6 (5792) used greatest stack depth: 23680 bytes left