[ 10.494022][ T249] ip (249) used greatest stack depth: 23776 bytes left [ 14.420905][ T315] 8021q: 802.1Q VLAN Support v1.8 [ 14.779794][ T320] gre: GRE over IPv4 demultiplexor driver [ 14.800700][ T320] ip_gre: GRE over IPv4 tunneling driver [ 16.754034][ T348] ip (348) used greatest stack depth: 23344 bytes left