Bootstrap node hangs at OCP 4.1 in Vsphere UPI

Issue

While trying to deploy OCP 4.1 on vsphere using the UPI method (with or without using cloudprovider filed in install-config.yaml) the virtual machine apparently hangs with messages similar to this:

[    3.722429] multipathd[725]: Aug 06 13:57:26 | /etc/multipath.conf does not e
xist, blacklisting all devices.
[    3.724314] multipathd[725]: Aug 06 13:57:26 | You can run "/sbin/mpathconf -
-enable" to create
[    3.725936] multipathd[725]: Aug 06 13:57:26 | /etc/multipath.conf. See man m
oathconf(8) for more details
[    3.728436] dhclient[682]: DHCPOFFER from 192.168.1.1
[    3.729503] dhclient[682]: DHCPACK from 192.168.1.1 (xid=0xc003351d)
[    3.730870] iscsid[615]: iSCSI daemon with pid=617 started!
[   30.125512] random: crng init done
[   30.125512] random: 7 urandom warning(s) missed due to ratelimiting