[ 9.564373][ T237] ip (237) used greatest stack depth: 24016 bytes left [ 11.124569][ T309] gre: GRE over IPv4 demultiplexer driver [ 11.134966][ T309] ip_gre: GRE over IPv4 tunneling driver [ 11.632774][ T333] 8021q: 802.1Q VLAN Support v1.8 [ 12.473755][ T373] GACT probability NOT on [ 425.627493][ T9738] ping6 (9738) used greatest stack depth: 23824 bytes left