[ 1030.528133][T12690] netdevsim netdevsim484 eni484np1: renamed from eth0
[ 1030.613867][T12739] netdevsim netdevsim641 eni641np1: renamed from eth1
[ 1032.379695][T12734] Could not find device with ifindex 2000 in netnsfd 11
[ 1032.381208][T12734] Could not find netns with fd: 2000
[ 1032.382828][T12734] Cannot link a netdevsim to itself
[ 1032.384020][T12734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).