[  474.565934] netdevsim netdevsim409 eni409np1: renamed from eth0
[  474.566380] netdevsim netdevsim737 eni737np1: renamed from eth1
[  474.653031] Could not find device with ifindex 2000 in netnsfd 11
[  474.653187] Could not find netns with fd: 2000
[  474.653293] Cannot link a netdevsim to itself
[  474.653417] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).