[ 1231.699810][T12510] netdevsim netdevsim530 eni530np1: renamed from eth1
[ 1231.763362][T12511] netdevsim netdevsim350 eni350np1: renamed from eth0
[ 1234.456178][T12500] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.458228][T12500] Could not find netns with fd: 2000
[ 1234.459165][T12500] Cannot link a netdevsim to itself
[ 1234.460301][T12500] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).