[  489.150734] netdevsim netdevsim429 eni429np1: renamed from eth0
[  489.152900] netdevsim netdevsim561 eni561np1: renamed from eth1
[  489.255267] Could not find device with ifindex 2000 in netnsfd 11
[  489.255386] Could not find netns with fd: 2000
[  489.255487] Cannot link a netdevsim to itself
[  489.255609] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).