[ 797.992475][ T4667] ip (4667) used greatest stack depth: 24032 bytes left [ 804.199532][ T4721] gre: GRE over IPv4 demultiplexor driver [ 804.238235][ T4721] ip_gre: GRE over IPv4 tunneling driver [ 806.920870][ T4743] 8021q: 802.1Q VLAN Support v1.8