[  455.826901] netdevsim netdevsim490 eni490np1: renamed from eth0
[  455.827825] netdevsim netdevsim672 eni672np1: renamed from eth1
[  455.923254] Could not find device with ifindex 2000 in netnsfd 11
[  455.923421] Could not find netns with fd: 2000
[  455.923547] Cannot link a netdevsim to itself
[  455.923661] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).
[  455.923804] Netdevsim 10:251 is already linked