[ 9.496269][ T247] ip (247) used greatest stack depth: 24192 bytes left [ 10.707964][ T305] gre: GRE over IPv4 demultiplexer driver [ 10.720820][ T305] ip_gre: GRE over IPv4 tunneling driver [ 11.196299][ T328] 8021q: 802.1Q VLAN Support v1.8 [ 12.046985][ T366] GACT probability NOT on [ 296.332558][ T8855] ping6 (8855) used greatest stack depth: 24160 bytes left