[  809.997422][T15784] netdevsim netdevsim691 eni691np1: renamed from eth1
[  809.999886][T15783] netdevsim netdevsim423 eni423np1: renamed from eth0
[  810.692552][T15772] Could not find device with ifindex 2000 in netnsfd 11
[  810.693253][T15772] Could not find netns with fd: 2000
[  810.693667][T15772] Cannot link a netdevsim to itself
[  810.694386][T15772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).