[  486.335002] netdevsim netdevsim685 eni685np1: renamed from eth1
[  486.435959] netdevsim netdevsim325 eni325np1: renamed from eth0
[  486.802706] Could not find device with ifindex 2000 in netnsfd 11
[  486.802895] Could not find netns with fd: 2000
[  486.802984] Cannot link a netdevsim to itself
[  486.803118] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).