[  483.968569] netdevsim netdevsim372 eni372np1: renamed from eth0
[  484.069917] netdevsim netdevsim675 eni675np1: renamed from eth1
[  484.432077] Could not find device with ifindex 2000 in netnsfd 11
[  484.432292] Could not find netns with fd: 2000
[  484.432402] Cannot link a netdevsim to itself
[  484.432533] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).