[  482.272469] netdevsim netdevsim447 eni447np1: renamed from eth0
[  482.373708] netdevsim netdevsim546 eni546np1: renamed from eth1
[  482.685102] Could not find device with ifindex 2000 in netnsfd 11
[  482.685265] Could not find netns with fd: 2000
[  482.685356] Cannot link a netdevsim to itself
[  482.685457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).