[  490.030251] netdevsim netdevsim536 eni536np1: renamed from eth1
[  490.127313] netdevsim netdevsim283 eni283np1: renamed from eth0
[  490.361296] Could not find device with ifindex 2000 in netnsfd 11
[  490.361575] Could not find netns with fd: 2000
[  490.361658] Cannot link a netdevsim to itself
[  490.361767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).