[ 14.811324][ T251] ip (251) used greatest stack depth: 24352 bytes left [ 21.529485][ T327] gre: GRE over IPv4 demultiplexer driver [ 21.551555][ T327] ip_gre: GRE over IPv4 tunneling driver [ 23.958039][ T351] 8021q: 802.1Q VLAN Support v1.8 [ 28.076574][ T390] GACT probability NOT on [ 1317.038913][T12663] ping6 (12663) used greatest stack depth: 24256 bytes left [ 1795.752062][T17287] ip (17287) used greatest stack depth: 24192 bytes left