[  477.564115] netdevsim netdevsim291 eni291np1: renamed from eth0
[  477.564480] netdevsim netdevsim626 eni626np1: renamed from eth1
[  477.650489] Could not find device with ifindex 2000 in netnsfd 11
[  477.650612] Could not find netns with fd: 2000
[  477.650666] Cannot link a netdevsim to itself
[  477.650727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).