[  491.230702] netdevsim netdevsim725 eni725np1: renamed from eth1
[  491.327777] netdevsim netdevsim389 eni389np1: renamed from eth0
[  491.572616] Could not find device with ifindex 2000 in netnsfd 11
[  491.573079] Could not find netns with fd: 2000
[  491.573214] Cannot link a netdevsim to itself
[  491.573365] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).