[  526.679034] netdevsim netdevsim406 eni406np1: renamed from eth0
[  526.776235] netdevsim netdevsim575 eni575np1: renamed from eth1
[  527.010645] Could not find device with ifindex 2000 in netnsfd 11
[  527.010859] Could not find netns with fd: 2000
[  527.010955] Cannot link a netdevsim to itself
[  527.011088] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).