[  481.588003] netdevsim netdevsim411 eni411np1: renamed from eth0
[  481.689914] netdevsim netdevsim642 eni642np1: renamed from eth1
[  482.084464] Could not find device with ifindex 2000 in netnsfd 11
[  482.084637] Could not find netns with fd: 2000
[  482.084740] Cannot link a netdevsim to itself
[  482.084862] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).