I'm getting the following errors when trying to install sub2rbl:
Creating ipset sub2rbl
ipset v6.32: Cannot open session to kernel.
Creating ipset sub2rbl_swing
ipset v6.32: Cannot open session to kernel.
Retrieving RBL (https://rbldata.interserver.net/ip.txt)
ipset v6.32: Cannot open session to kernel.
ipset v6.32: Error in line 1: Cannot open session to kernel.
ipset v6.32: Cannot open session to kernel.
RBL (https://rbldata.interserver.net/ip.txt) added 0 entries
Creating ipset sub2rbl
ipset v6.32: Cannot open session to kernel.
Creating ipset sub2rbl_swing
ipset v6.32: Cannot open session to kernel.
Retrieving RBL (https://lists.blocklist.de/lists/ssh.txt)
ipset v6.32: Cannot open session to kernel.
ipset v6.32: Error in line 1: Cannot open session to kernel.
ipset v6.32: Cannot open session to kernel.
RBL (https://lists.blocklist.de/lists/ssh.txt) added 0 entries
Creating ipset sub2rbl
ipset v6.32: Cannot open session to kernel.
Creating ipset sub2rbl_swing
ipset v6.32: Cannot open session to kernel.
Retrieving RBL (https://lists.blocklist.de/lists/strongips.txt)
ipset v6.32: Cannot open session to kernel.
ipset v6.32: Error in line 1: Cannot open session to kernel.
ipset v6.32: Cannot open session to kernel.
RBL (https://lists.blocklist.de/lists/strongips.txt) added 0 entries
Creating ipset sub2rbl
ipset v6.32: Cannot open session to kernel.
Creating ipset sub2rbl_swing
ipset v6.32: Cannot open session to kernel.
Retrieving RBL (https://www.dragonresearchgroup.org/insight/sshpwauth.txt)
Error: retrieving RBL(https://www.dragonresearchgroup.org/insight/sshpwauth.txt):
Creating ipset sub2rbl-net
ipset v6.32: Cannot open session to kernel.
Creating ipset sub2rbl-net_swing
ipset v6.32: Cannot open session to kernel.
Retrieving RBL (https://www.spamhaus.org/drop/drop.txt)
ipset v6.32: Cannot open session to kernel.
ipset v6.32: Error in line 1: Cannot open session to kernel.
ipset v6.32: Cannot open session to kernel.
RBL (https://www.spamhaus.org/drop/drop.txt) added 0 entries
Creating ipset sub2rbl-net
ipset v6.32: Cannot open session to kernel.
Creating ipset sub2rbl-net_swing
ipset v6.32: Cannot open session to kernel.
Retrieving RBL (https://www.spamhaus.org/drop/edrop.txt)
ipset v6.32: Cannot open session to kernel.
ipset v6.32: Error in line 1: Cannot open session to kernel.
ipset v6.32: Cannot open session to kernel.
RBL (https://www.spamhaus.org/drop/edrop.txt) added 0 entries
I'm getting the following errors when trying to install sub2rbl:
Any suggestion?