[ 11.283531][ T248] ip (248) used greatest stack depth: 23840 bytes left [ 15.279396][ T313] 8021q: 802.1Q VLAN Support v1.8 [ 15.635940][ T318] gre: GRE over IPv4 demultiplexor driver [ 15.650414][ T318] ip_gre: GRE over IPv4 tunneling driver [ 15.867733][ T322] ip (322) used greatest stack depth: 23528 bytes left