[  476.319361] netdevsim netdevsim277 eni277np1: renamed from eth0
[  476.319759] netdevsim netdevsim541 eni541np1: renamed from eth1
[  476.401341] Could not find device with ifindex 2000 in netnsfd 11
[  476.401432] Could not find netns with fd: 2000
[  476.401474] Cannot link a netdevsim to itself
[  476.401526] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).