[ 9.099772][ T189] ip (189) used greatest stack depth: 23760 bytes left [ 11.025422][ T251] gre: GRE over IPv4 demultiplexer driver [ 11.041320][ T251] ip_gre: GRE over IPv4 tunneling driver [ 11.661477][ T274] 8021q: 802.1Q VLAN Support v1.8 [ 12.693917][ T315] GACT probability NOT on [ 297.557787][T12460] ping6 (12460) used greatest stack depth: 23296 bytes left