[ 14.085750][ T251] ip (251) used greatest stack depth: 24288 bytes left [ 21.074337][ T328] gre: GRE over IPv4 demultiplexor driver [ 21.091295][ T328] ip_gre: GRE over IPv4 tunneling driver [ 23.721074][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 28.213666][ T389] GACT probability NOT on [ 684.571589][ T6065] ping6 (6065) used greatest stack depth: 24168 bytes left