[  455.122011] netdevsim netdevsim319 eni319np1: renamed from eth0
[  455.122824] netdevsim netdevsim535 eni535np1: renamed from eth1
[  455.202449] Could not find device with ifindex 2000 in netnsfd 11
[  455.202541] Could not find netns with fd: 2000
[  455.202585] Cannot link a netdevsim to itself
[  455.202645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).