[  483.437310] netdevsim netdevsim435 eni435np1: renamed from eth0
[  483.438251] netdevsim netdevsim535 eni535np1: renamed from eth1
[  483.525323] Could not find device with ifindex 2000 in netnsfd 11
[  483.525408] Could not find netns with fd: 2000
[  483.525453] Cannot link a netdevsim to itself
[  483.525506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).