[ 1232.070666][T12636] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1232.126718][T12639] netdevsim netdevsim451 eni451np1: renamed from eth0
[ 1234.786763][T12627] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.787939][T12627] Could not find netns with fd: 2000
[ 1234.788806][T12627] Cannot link a netdevsim to itself
[ 1234.789907][T12627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).