[  821.942533][T15722] netdevsim netdevsim475 eni475np1: renamed from eth0
[  821.962479][T15721] netdevsim netdevsim578 eni578np1: renamed from eth1
[  822.640020][T15708] Could not find device with ifindex 2000 in netnsfd 11
[  822.640773][T15708] Could not find netns with fd: 2000
[  822.641356][T15708] Cannot link a netdevsim to itself
[  822.642126][T15708] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).