[  514.312317] netdevsim netdevsim287 eni287np1: renamed from eth0
[  514.410175] netdevsim netdevsim603 eni603np1: renamed from eth1
[  514.624282] Could not find device with ifindex 2000 in netnsfd 11
[  514.624437] Could not find netns with fd: 2000
[  514.624507] Cannot link a netdevsim to itself
[  514.624592] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).