$ sudo apt -y -q update && sudo apt -y -q full-upgrade
...

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.2 LTS
Release:	18.04
Codename:	bionic

$ uname -a
Linux s1lp11 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 10:54:05 UTC 2019 s390x s390x s390x GNU/Linux

$ lszdev qeth | head -n 3
TYPE  ID                          ON   PERS  NAMES
qeth  0.0.c000:0.0.c001:0.0.c002  yes  yes   encc000
qeth  0.0.c003:0.0.c004:0.0.c005  no   no    

$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: encc000: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 02:00:00:ee:c7:ac brd ff:ff:ff:ff:ff:ff
    inet6 fe80::ff:feee:c7ac/64 scope link 
       valid_lft forever preferred_lft forever
3: encc000.2653@encc000: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 02:00:00:ee:c7:ac brd ff:ff:ff:ff:ff:ff
    inet 10.245.236.11/24 brd 10.245.236.255 scope global encc000.2653
       valid_lft forever preferred_lft forever
    inet6 2001:67c:1562:8020:0:ff:feee:c7ac/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 85938sec preferred_lft 13938sec
    inet6 fe80::ff:feee:c7ac/64 scope link 
       valid_lft forever preferred_lft forever

$ sudo chzdev qeth c003 --enable
QETH device 0.0.c003:0.0.c004:0.0.c005 configured

$ lszdev qeth | head -n 3
TYPE  ID                          ON   PERS  NAMES
qeth  0.0.c000:0.0.c001:0.0.c002  yes  yes   encc000
qeth  0.0.c003:0.0.c004:0.0.c005  yes  yes   encc003

$ ip link add link encc003 name encc003.2653 type vlan id 2653
RTNETLINK answers: Operation not permitted

$ sudo apt install linux-generic-hwe-18.04
...

$ sudo shutdown -r now

$ lszdev qeth | head -n 3
TYPE  ID                          ON   PERS  NAMES
qeth  0.0.c000:0.0.c001:0.0.c002  yes  yes   encc000
qeth  0.0.c003:0.0.c004:0.0.c005  yes  yes   encc003


$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.2 LTS
Release:	18.04
Codename:	bionic

$ uname -a
Linux s1lp11 4.18.0-25-generic #26~18.04.1-Ubuntu SMP Thu Jun 27 07:27:10 UTC 2019 s390x s390x s390x GNU/Linux

$ ip link add link encc003 name encc003.2653 type vlan id 2653
RTNETLINK answers: Operation not permitted