[ 1227.731239][T11144] netdevsim netdevsim744 eni744np1: renamed from eth1
[ 1227.767687][T11146] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1231.048063][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.048795][T11138] Could not find netns with fd: 2000
[ 1231.049373][T11138] Cannot link a netdevsim to itself
[ 1231.050107][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).