[  491.671492] netdevsim netdevsim297 eni297np1: renamed from eth0
[  491.767044] netdevsim netdevsim753 eni753np1: renamed from eth1
[  491.994370] Could not find device with ifindex 2000 in netnsfd 11
[  491.994615] Could not find netns with fd: 2000
[  491.994724] Cannot link a netdevsim to itself
[  491.994838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).