[  484.341771] netdevsim netdevsim455 eni455np1: renamed from eth0
[  484.342168] netdevsim netdevsim624 eni624np1: renamed from eth1
[  484.434377] Could not find device with ifindex 2000 in netnsfd 11
[  484.434469] Could not find netns with fd: 2000
[  484.434514] Cannot link a netdevsim to itself
[  484.434567] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).