[  487.934335] netdevsim netdevsim712 eni712np1: renamed from eth1
[  488.030770] netdevsim netdevsim483 eni483np1: renamed from eth0
[  488.250558] Could not find device with ifindex 2000 in netnsfd 11
[  488.250876] Could not find netns with fd: 2000
[  488.251000] Cannot link a netdevsim to itself
[  488.251116] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).