[ 19.381918][ T227] ip (227) used greatest stack depth: 24512 bytes left [ 20.815863][ T295] gre: GRE over IPv4 demultiplexer driver [ 20.838117][ T295] ip_gre: GRE over IPv4 tunneling driver [ 21.320625][ T319] 8021q: 802.1Q VLAN Support v1.8 [ 22.189320][ T359] GACT probability NOT on [ 22.198466][ T357] tc (357) used greatest stack depth: 24160 bytes left [ 379.051964][T10696] ping6 (10696) used greatest stack depth: 23992 bytes left