[  527.858638] netdevsim netdevsim585 eni585np1: renamed from eth1
[  527.955539] netdevsim netdevsim321 eni321np1: renamed from eth0
[  528.230058] Could not find device with ifindex 2000 in netnsfd 11
[  528.230254] Could not find netns with fd: 2000
[  528.230341] Cannot link a netdevsim to itself
[  528.230471] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).