[  485.265766] netdevsim netdevsim281 eni281np1: renamed from eth0
[  485.266114] netdevsim netdevsim589 eni589np1: renamed from eth1
[  485.357361] Could not find device with ifindex 2000 in netnsfd 11
[  485.357449] Could not find netns with fd: 2000
[  485.357497] Cannot link a netdevsim to itself
[  485.357554] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).