[  578.571442][ T3495] netdevsim netdevsim470 eni470np1: renamed from eth0
[  578.674169][ T3492] netdevsim netdevsim593 eni593np1: renamed from eth1
[  581.673701][ T3485] Could not find device with ifindex 2000 in netnsfd 11
[  581.674385][ T3485] Could not find netns with fd: 2000
[  581.674900][ T3485] Cannot link a netdevsim to itself
[  581.675539][ T3485] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).