[  482.009309] netdevsim netdevsim474 eni474np1: renamed from eth0
[  482.010612] netdevsim netdevsim669 eni669np1: renamed from eth1
[  482.356154] Could not find device with ifindex 2000 in netnsfd 11
[  482.356327] Could not find netns with fd: 2000
[  482.356413] Cannot link a netdevsim to itself
[  482.356516] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).