[  455.444670] netdevsim netdevsim371 eni371np1: renamed from eth0
[  455.449880] netdevsim netdevsim541 eni541np1: renamed from eth1
[  455.542706] Could not find device with ifindex 2000 in netnsfd 11
[  455.542868] Could not find netns with fd: 2000
[  455.542977] Cannot link a netdevsim to itself
[  455.543095] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).