[  488.034318] netdevsim netdevsim442 eni442np1: renamed from eth0
[  488.034721] netdevsim netdevsim547 eni547np1: renamed from eth1
[  488.136853] Could not find device with ifindex 2000 in netnsfd 11
[  488.136952] Could not find netns with fd: 2000
[  488.137000] Cannot link a netdevsim to itself
[  488.137054] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).