nftables, after adding a rule without any action, nft doesn't return correctly

[Ryo Fujita <rfujita@xxxxxxxxxx>]

Hi,

I’m still a newbie to nftables and couldn’t distinguish right behavior from a bug.

I found a weird behavior of nft command.

# nft -f /etc/nftables/inet-filter
# nft add rule inet filter input log drop
# nft add rule inet filter input ip saddr 192.168.1.21 // without any action like ‘drop’, ‘accept’, ‘log’ and so on
# nft list chain inet filter input
table inet filter {
	chain input {
		 type filter hook input priority 0;
		 log drop
^C << - - - - - - - break

I have 2 questions.

1. Adding a rule without any action didn’t result any error. Was it correct behavior?

2. After adding a rule, nft didn’t return, needed to break, ^C. Was it a bug?

My environment was as followings.
nftables-0.100-3.20140704git.fc21.x86_64
libnftnl-1.0.2-1.fc21.x86_64
kernel-3.15.4-200.fc20.x86_64

Best Rio.--
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