[  488.715369] netdevsim netdevsim554 eni554np1: renamed from eth1
[  488.812256] netdevsim netdevsim472 eni472np1: renamed from eth0
[  489.049116] Could not find device with ifindex 2000 in netnsfd 11
[  489.049510] Could not find netns with fd: 2000
[  489.049607] Cannot link a netdevsim to itself
[  489.049705] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).