[  476.634755] netdevsim netdevsim460 eni460np1: renamed from eth0
[  476.635942] netdevsim netdevsim573 eni573np1: renamed from eth0
[  476.735352] Could not find device with ifindex 2000 in netnsfd 11
[  476.735457] Could not find netns with fd: 2000
[  476.735502] Cannot link a netdevsim to itself
[  476.735549] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).