something like this
osmc@osmc:~$ sudo systemctl stop autofs
osmc@osmc:~$ sudo automount -f -v -d
Starting automounter version 5.1.2, master map /etc/auto.master
using kernel protocol version 5.02
lookup_nss_read_master: reading master file /etc/auto.master
do_init: parse(sun): init gathered global options: (null)
lookup_read_master: lookup(file): read entry +dir:/etc/auto.master.d
lookup_nss_read_master: reading master dir /etc/auto.master.d
lookup(dir): dir map /etc/auto.master.d missing or not readable
lookup(file): failed to read included master map dir:/etc/auto.master.d
lookup_read_master: lookup(file): read entry +auto.master
lookup_nss_read_master: reading master files auto.master
do_init: parse(sun): init gathered global options: (null)
lookup(file): failed to read included master map auto.master
lookup_read_master: lookup(file): read entry /-
master_do_mount: mounting /-
automount_path_to_fifo: fifo name /var/run/autofs.fifo--
lookup_nss_read_map: reading map file /etc/auto.nfs.shares
do_init: parse(sun): init gathered global options: (null)
mounted direct on /mnt/readynas/media/videos with timeout 15, freq 4 seconds
do_mount_autofs_direct: mounted trigger /mnt/readynas/media/videos
mounted direct on /mnt/dune/0e8c9ea8_f96d_4822_9c2a_7d66219e9baa/videos with timeout 15, freq 4 seconds
do_mount_autofs_direct: mounted trigger /mnt/dune/0e8c9ea8_f96d_4822_9c2a_7d66219e9baa/videos
mounted direct on /mnt/tng/4k with timeout 15, freq 4 seconds
do_mount_autofs_direct: mounted trigger /mnt/tng/4k
st_ready: st_ready(): state = 0 path /-
st_expire: state 1 path /-
expire_proc: exp_proc = 4096783440 path /-
expire_cleanup: got thid 4096783440 path /- stat 0
expire_cleanup: sigchld: exp 4096783440 finished, switching from 2 to 1
st_ready: st_ready(): state = 2 path /-
st_expire: state 1 path /-
expire_proc: exp_proc = 4096783440 path /-
expire_cleanup: got thid 4096783440 path /- stat 0
expire_cleanup: sigchld: exp 4096783440 finished, switching from 2 to 1
st_ready: st_ready(): state = 2 path /-
handle_packet: type = 5
handle_packet_missing_direct: token 2, name /mnt/tng/4k, request pid 1876
attempting to mount entry /mnt/tng/4k
lookup_mount: lookup(file): looking up /mnt/tng/4k
lookup_mount: lookup(file): /mnt/tng/4k -> 192.168.178.15:/4k
parse_mount: parse(sun): expanded entry: 192.168.178.15:/4k
parse_mount: parse(sun): gathered options:
parse_mount: parse(sun): dequote("192.168.178.15:/4k") -> 192.168.178.15:/4k
parse_mount: parse(sun): core of entry: options=, loc=192.168.178.15:/4k
sun_mount: parse(sun): mounting root /mnt/tng/4k, mountpoint /mnt/tng/4k, what 192.168.178.15:/4k, fstype nfs, options (null)
mount_mount: mount(nfs): root=/mnt/tng/4k name=/mnt/tng/4k what=192.168.178.15:/4k, fstype=nfs, options=(null)
get_nfs_info: called with host 192.168.178.15(192.168.178.15) proto 6 version 0x30
st_expire: state 1 path /-
expire_proc: exp_proc = 4095730768 path /-
expire_cleanup: got thid 4095730768 path /- stat 0
expire_cleanup: sigchld: exp 4095730768 finished, switching from 2 to 1
st_ready: st_ready(): state = 2 path /-
st_expire: state 1 path /-
expire_proc: exp_proc = 4095730768 path /-
expire_cleanup: got thid 4095730768 path /- stat 0
expire_cleanup: sigchld: exp 4095730768 finished, switching from 2 to 1
st_ready: st_ready(): state = 2 path /-
get_nfs_info: called with host 192.168.178.15(192.168.178.15) proto 17 version 0x30
st_expire: state 1 path /-
expire_proc: exp_proc = 4095730768 path /-
expire_cleanup: got thid 4095730768 path /- stat 0
expire_cleanup: sigchld: exp 4095730768 finished, switching from 2 to 1
st_ready: st_ready(): state = 2 path /-
mount(nfs): no hosts available
dev_ioctl_send_fail: token = 2
failed to mount /mnt/tng/4k
st_expire: state 1 path /-
expire_proc: exp_proc = 4096783440 path /-
expire_cleanup: got thid 4096783440 path /- stat 0
expire_cleanup: sigchld: exp 4096783440 finished, switching from 2 to 1
st_ready: st_ready(): state = 2 path /-
st_expire: state 1 path /-
expire_proc: exp_proc = 4096783440 path /-
expire_cleanup: got thid 4096783440 path /- stat 0
expire_cleanup: sigchld: exp 4096783440 finished, switching from 2 to 1
st_ready: st_ready(): state = 2 path /-
^Cdo_notify_state: signal 2
master_notify_state_change: sig 2 switching /- from 1 to 5
st_prepare_shutdown: state 1 path /-
expire_proc: exp_proc = 4095730768 path /-
expire_cleanup: got thid 4095730768 path /- stat 0
expire_cleanup: sigchld: exp 4095730768 finished, switching from 5 to 7
st_shutdown: state 5 path /-
umount_multi: path /mnt/readynas/media/videos incl 0
set_direct_mount_catatonic: set /mnt/readynas/media/videos catatonic
umounted direct mount /mnt/readynas/media/videos
umount_multi: path /mnt/dune/0e8c9ea8_f96d_4822_9c2a_7d66219e9baa/videos incl 0
set_direct_mount_catatonic: set /mnt/dune/0e8c9ea8_f96d_4822_9c2a_7d66219e9baa/videos catatonic
umounted direct mount /mnt/dune/0e8c9ea8_f96d_4822_9c2a_7d66219e9baa/videos
umount_multi: path /mnt/tng/4k incl 0
set_direct_mount_catatonic: set /mnt/tng/4k catatonic
umounted direct mount /mnt/tng/4k
automount_path_to_fifo: fifo name /var/run/autofs.fifo--
shut down path /-
autofs stopped
osmc@osmc:~$