[  455.345840] netdevsim netdevsim727 eni727np1: renamed from eth1
[  455.347770] netdevsim netdevsim322 eni322np1: renamed from eth0
[  455.434907] Could not find device with ifindex 2000 in netnsfd 11
[  455.435011] Could not find netns with fd: 2000
[  455.435055] Cannot link a netdevsim to itself
[  455.435114] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).