[ 1017.861598][T12067] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1017.966562][T12064] netdevsim netdevsim284 eni284np1: renamed from eth0
[ 1019.809773][T12552] Could not find device with ifindex 2000 in netnsfd 11
[ 1019.810905][T12552] Could not find netns with fd: 2000
[ 1019.811738][T12552] Cannot link a netdevsim to itself
[ 1019.812725][T12552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).