[  479.770336] netdevsim netdevsim281 eni281np1: renamed from eth0
[  479.770954] netdevsim netdevsim532 eni532np1: renamed from eth1
[  479.859927] Could not find device with ifindex 2000 in netnsfd 11
[  479.860078] Could not find netns with fd: 2000
[  479.860214] Cannot link a netdevsim to itself
[  479.860334] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).