[  764.144807][T14560] netdevsim netdevsim505 eni505np1: renamed from eth0
[  764.162120][T14562] netdevsim netdevsim740 eni740np1: renamed from eth1
[  764.711801][T14548] Could not find device with ifindex 2000 in netnsfd 11
[  764.712657][T14548] Could not find netns with fd: 2000
[  764.713005][T14548] Cannot link a netdevsim to itself
[  764.713545][T14548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).