[ 1229.806433][T12687] netdevsim netdevsim552 eni552np1: renamed from eth1
[ 1229.954550][T12688] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1232.632903][T12674] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.634157][T12674] Could not find netns with fd: 2000
[ 1232.635076][T12674] Cannot link a netdevsim to itself
[ 1232.636195][T12674] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).