[  475.925698] netdevsim netdevsim291 eni291np1: renamed from eth0
[  475.927539] netdevsim netdevsim512 eni512np1: renamed from eth1
[  476.018180] Could not find device with ifindex 2000 in netnsfd 11
[  476.018325] Could not find netns with fd: 2000
[  476.018428] Cannot link a netdevsim to itself
[  476.018549] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).