[  477.269894] netdevsim netdevsim313 eni313np1: renamed from eth0
[  477.270876] netdevsim netdevsim590 eni590np1: renamed from eth0
[  477.365006] Could not find device with ifindex 2000 in netnsfd 11
[  477.365188] Could not find netns with fd: 2000
[  477.365289] Cannot link a netdevsim to itself
[  477.365420] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).