[ 1223.241484][T12613] netdevsim netdevsim474 eni474np1: renamed from eth0
[ 1223.367227][T12610] netdevsim netdevsim624 eni624np1: renamed from eth1
[ 1226.123355][T12600] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.124547][T12600] Could not find netns with fd: 2000
[ 1226.127480][T12600] Cannot link a netdevsim to itself
[ 1226.129157][T12600] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).