[ 1018.166375][T12136] netdevsim netdevsim545 eni545np1: renamed from eth1
[ 1018.257759][T12135] netdevsim netdevsim404 eni404np1: renamed from eth0
[ 1020.183945][T12558] Could not find device with ifindex 2000 in netnsfd 11
[ 1020.184985][T12558] Could not find netns with fd: 2000
[ 1020.185725][T12558] Cannot link a netdevsim to itself
[ 1020.186524][T12558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).