[  459.528559] netdevsim netdevsim262 eni262np1: renamed from eth0
[  459.528730] netdevsim netdevsim752 eni752np1: renamed from eth1
[  459.625072] Could not find device with ifindex 2000 in netnsfd 11
[  459.625244] Could not find netns with fd: 2000
[  459.625355] Cannot link a netdevsim to itself
[  459.625486] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).