[  482.587358] netdevsim netdevsim416 eni416np1: renamed from eth0
[  482.688966] netdevsim netdevsim688 eni688np1: renamed from eth1
[  483.057904] Could not find device with ifindex 2000 in netnsfd 11
[  483.058066] Could not find netns with fd: 2000
[  483.058150] Cannot link a netdevsim to itself
[  483.058262] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).