[  510.857629] netdevsim netdevsim739 eni739np1: renamed from eth1
[  510.955460] netdevsim netdevsim416 eni416np1: renamed from eth0
[  511.184351] Could not find device with ifindex 2000 in netnsfd 11
[  511.184534] Could not find netns with fd: 2000
[  511.184608] Cannot link a netdevsim to itself
[  511.184702] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).