[  455.191559] netdevsim netdevsim291 eni291np1: renamed from eth0
[  455.192030] netdevsim netdevsim739 eni739np1: renamed from eth1
[  455.279915] Could not find device with ifindex 2000 in netnsfd 11
[  455.280019] Could not find netns with fd: 2000
[  455.280063] Cannot link a netdevsim to itself
[  455.280113] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).