[ 1229.001054][T12507] netdevsim netdevsim407 eni407np1: renamed from eth0
[ 1229.061505][T12505] netdevsim netdevsim550 eni550np1: renamed from eth1
[ 1231.896920][T12495] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.898111][T12495] Could not find netns with fd: 2000
[ 1231.899009][T12495] Cannot link a netdevsim to itself
[ 1231.900170][T12495] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).