[  482.643406] netdevsim netdevsim307 eni307np1: renamed from eth0
[  482.745161] netdevsim netdevsim543 eni543np1: renamed from eth1
[  483.086697] Could not find device with ifindex 2000 in netnsfd 11
[  483.086828] Could not find netns with fd: 2000
[  483.086897] Cannot link a netdevsim to itself
[  483.086990] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).