[ 1292.514503][T11134] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1292.554201][T11133] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1296.278266][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.279339][T11126] Could not find netns with fd: 2000
[ 1296.280551][T11126] Cannot link a netdevsim to itself
[ 1296.281358][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).