[  522.980526] netdevsim netdevsim445 eni445np1: renamed from eth0
[  523.077764] netdevsim netdevsim618 eni618np1: renamed from eth1
[  523.312026] Could not find device with ifindex 2000 in netnsfd 11
[  523.312216] Could not find netns with fd: 2000
[  523.312301] Cannot link a netdevsim to itself
[  523.312397] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).