[  475.628725] netdevsim netdevsim445 eni445np1: renamed from eth0
[  475.628984] netdevsim netdevsim545 eni545np1: renamed from eth1
[  475.720344] Could not find device with ifindex 2000 in netnsfd 11
[  475.720426] Could not find netns with fd: 2000
[  475.720468] Cannot link a netdevsim to itself
[  475.720518] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).