[  484.758767] netdevsim netdevsim733 eni733np1: renamed from eth1
[  484.859350] netdevsim netdevsim264 eni264np1: renamed from eth0
[  485.174055] Could not find device with ifindex 2000 in netnsfd 11
[  485.174210] Could not find netns with fd: 2000
[  485.174301] Cannot link a netdevsim to itself
[  485.174421] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).