[ 13.621484][ T251] ip (251) used greatest stack depth: 24432 bytes left [ 19.827679][ T328] gre: GRE over IPv4 demultiplexer driver [ 19.904913][ T328] ip6_gre: GRE over IPv6 tunneling driver [ 22.042366][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 25.738709][ T389] GACT probability NOT on [ 1366.881569][T14538] ping6 (14538) used greatest stack depth: 24168 bytes left