[  482.827720] netdevsim netdevsim474 eni474np1: renamed from eth0
[  482.929282] netdevsim netdevsim609 eni609np1: renamed from eth1
[  483.284818] Could not find device with ifindex 2000 in netnsfd 11
[  483.284977] Could not find netns with fd: 2000
[  483.285067] Cannot link a netdevsim to itself
[  483.285167] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).