[  526.814857] netdevsim netdevsim552 eni552np1: renamed from eth1
[  526.911634] netdevsim netdevsim357 eni357np1: renamed from eth0
[  527.132381] Could not find device with ifindex 2000 in netnsfd 11
[  527.132562] Could not find netns with fd: 2000
[  527.132645] Cannot link a netdevsim to itself
[  527.132749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).