[  764.516403][T14578] netdevsim netdevsim490 eni490np1: renamed from eth0
[  764.544573][T14581] netdevsim netdevsim523 eni523np1: renamed from eth1
[  765.091988][T14566] Could not find device with ifindex 2000 in netnsfd 11
[  765.092524][T14566] Could not find netns with fd: 2000
[  765.092888][T14566] Cannot link a netdevsim to itself
[  765.093370][T14566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).