[ 1219.775783][T12781] netdevsim netdevsim707 eni707np1: renamed from eth1
[ 1219.891717][T12783] netdevsim netdevsim272 eni272np1: renamed from eth0
[ 1222.319536][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.320634][T12774] Could not find netns with fd: 2000
[ 1222.321430][T12774] Cannot link a netdevsim to itself
[ 1222.322438][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).