[ 1010.737811][T12121] netdevsim netdevsim690 eni690np1: renamed from eth1
[ 1010.839656][T12053] netdevsim netdevsim501 eni501np1: renamed from eth0
[ 1012.842454][T12445] Could not find device with ifindex 2000 in netnsfd 11
[ 1012.844030][T12445] Could not find netns with fd: 2000
[ 1012.845176][T12445] Cannot link a netdevsim to itself
[ 1012.847238][T12445] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).