[  522.819124] netdevsim netdevsim446 eni446np1: renamed from eth0
[  522.916280] netdevsim netdevsim562 eni562np1: renamed from eth1
[  523.127161] Could not find device with ifindex 2000 in netnsfd 11
[  523.127343] Could not find netns with fd: 2000
[  523.127444] Cannot link a netdevsim to itself
[  523.127532] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).