[  480.087052] netdevsim netdevsim340 eni340np1: renamed from eth0
[  480.188314] netdevsim netdevsim630 eni630np1: renamed from eth1
[  480.547022] Could not find device with ifindex 2000 in netnsfd 11
[  480.547204] Could not find netns with fd: 2000
[  480.547308] Cannot link a netdevsim to itself
[  480.547445] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).
[  480.632348] secure_seq: tcp isn: 3347575166