[  483.924630] netdevsim netdevsim357 eni357np1: renamed from eth0
[  484.026127] netdevsim netdevsim686 eni686np1: renamed from eth1
[  484.390771] Could not find device with ifindex 2000 in netnsfd 11
[  484.390925] Could not find netns with fd: 2000
[  484.391004] Cannot link a netdevsim to itself
[  484.391096] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).