[  483.370962] netdevsim netdevsim427 eni427np1: renamed from eth0
[  483.472119] netdevsim netdevsim609 eni609np1: renamed from eth1
[  483.825722] Could not find device with ifindex 2000 in netnsfd 11
[  483.825864] Could not find netns with fd: 2000
[  483.825937] Cannot link a netdevsim to itself
[  483.826020] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).