[  489.555743] netdevsim netdevsim752 eni752np1: renamed from eth1
[  489.652728] netdevsim netdevsim429 eni429np1: renamed from eth0
[  489.864327] Could not find device with ifindex 2000 in netnsfd 11
[  489.864543] Could not find netns with fd: 2000
[  489.864636] Cannot link a netdevsim to itself
[  489.864743] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).