[  433.856792] netdevsim netdevsim501 eni501np1: renamed from eth0
[  433.958052] netdevsim netdevsim743 eni743np1: renamed from eth1
[  434.317384] Could not find device with ifindex 2000 in netnsfd 11
[  434.317556] Could not find netns with fd: 2000
[  434.317667] Cannot link a netdevsim to itself
[  434.317781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).