[  489.335508] netdevsim netdevsim732 eni732np1: renamed from eth1
[  489.432609] netdevsim netdevsim441 eni441np1: renamed from eth0
[  489.654697] Could not find device with ifindex 2000 in netnsfd 11
[  489.655031] Could not find netns with fd: 2000
[  489.655136] Cannot link a netdevsim to itself
[  489.655252] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).