[  482.690388] netdevsim netdevsim306 eni306np1: renamed from eth0
[  482.791601] netdevsim netdevsim560 eni560np1: renamed from eth1
[  483.166541] Could not find device with ifindex 2000 in netnsfd 11
[  483.166666] Could not find netns with fd: 2000
[  483.166730] Cannot link a netdevsim to itself
[  483.166829] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).