[  481.779203] netdevsim netdevsim297 eni297np1: renamed from eth0
[  481.779568] netdevsim netdevsim525 eni525np1: renamed from eth1
[  481.871082] Could not find device with ifindex 2000 in netnsfd 11
[  481.871224] Could not find netns with fd: 2000
[  481.871289] Cannot link a netdevsim to itself
[  481.871362] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).