[ 1217.149084][T11140] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1217.173109][T11138] netdevsim netdevsim543 eni543np1: renamed from eth1
[ 1220.448519][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1220.449259][T11132] Could not find netns with fd: 2000
[ 1220.449863][T11132] Cannot link a netdevsim to itself
[ 1220.450519][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).