[localhost:~# export MKFS_OPTS_BOOT="-O ^64bit"; setup-alpine
Available keyboard layouts:
af     be     cn     fi     hu     jp     lt     my     ro     tj
al     bg     cz     fo     ie     ke     lv     ng     rs     tm
am     br     de     fr     il     kg     ma     nl     ru     tr
ara    brai   dk     gb     in     kr     md     no     se     tw
at     by     dz     ge     iq     kz     me     ph     si     ua
az     ca     ee     gh     ir     la     mk     pk     sk     us
ba     ch     epo    gr     is     latam  ml     pl     sy     uz
bd     cm     es     hr     it     lk     mt     pt     th
Select keyboard layout [none]: us
Available variants: us-alt-intl us-altgr-intl us-chr us-colemak us-dvorak-alt-intl us-dvorak-classic us-dvorak-intl us-dvorak-l us-dvorak-r us-dvorak us-dvp us-euro us-hbs us-intl us-mac us-olpc2 us-rus us-workman-intl us-workman us
Select variant []: us
 * Caching service dependencies ... [ ok ]
 * Setting keymap ... [ ok ]
Enter system hostname (short form, e.g. 'foo') [localhost]: a7-01
Available interfaces are: eth0 eth1.
Enter '?' for help on bridges, bonding and vlans.
Which one do you want to initialize? (or '?' or 'done') [eth0]
Ip address for eth0? (or 'dhcp', 'none', '?') [dhcp]
Available interfaces are: eth1.
Enter '?' for help on bridges, bonding and vlans.
Which one do you want to initialize? (or '?' or 'done') [eth1]
Ip address for eth1? (or 'dhcp', 'none', '?') [dhcp]
Do you want to do any manual network configuration? [no]
udhcpc: started, v1.28.4
udhcpc: sending discover
udhcpc: sending select for 10.0.2.17
udhcpc: lease of 10.0.2.17 obtained, lease time 86400
udhcpc: started, v1.28.4
udhcpc: sending discover
udhcpc: sending select for 192.168.56.103
udhcpc: lease of 192.168.56.104 obtained, lease time 1200
Changing password for root
New password:
Bad password: similar to username
Retype password:
passwd: password for root changed by root
Which timezone are you in? ('?' for list) [UTC]
 * Starting busybox acpid ... [ ok ]
 * Starting busybox crond ... [ ok ]
HTTP/FTP proxy URL? (e.g. 'http://proxy:8080', or 'none') [none]
wget: bad address 'mirrors.alpinelinux.org'
r) Add random from the above list
f) Detect and add fastest mirror from above list
e) Edit /etc/apk/repositories with text editor

Enter mirror number (1-0) or URL to add (or r/f/e/done) [f]: r
/sbin/setup-apkrepos: line 1: divide by zero
Which SSH server? ('openssh', 'dropbear' or 'none') [openssh]
 * service sshd added to runlevel default
 * Caching service dependencies ... [ ok ]
ssh-keygen: generating new host keys: RSA DSA ECDSA ED25519
 * Starting sshd ... [ ok ]
Which NTP client to run? ('busybox', 'openntpd', 'chrony' or 'none') [chrony]
 * service chronyd added to runlevel default
 * Caching service dependencies ... [ ok ]
 * Starting chronyd ... [ ok ]
Available disks are:
  xvda	(1.6 GB  )
Which disk(s) would you like to use? (or '?' for help or 'none') [none] xvda
The following disk is selected:
  xvda	(1.6 GB  )
How would you like to use it? ('sys', 'data', 'lvm' or '?' for help) [?] sys
ERROR: unsatisfiable constraints:
  sfdisk (missing):
    required by: world[sfdisk]
  syslinux (missing):
    required by: world[syslinux]


a7-01:~#  netstat -nr
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         10.0.2.2        0.0.0.0         UG        0 0          0 eth0
10.0.2.0        0.0.0.0         255.255.255.0   U         0 0          0 eth0
192.168.56.0    0.0.0.0         255.255.255.0   U         0 0          0 eth1

On CentoS
[root@localhost ~]# netstat -nr
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         10.0.2.2        0.0.0.0         UG        0 0          0 eth0
10.0.2.0        0.0.0.0         255.255.255.0   U         0 0          0 eth0
192.168.56.0    0.0.0.0         255.255.255.0   U         0 0          0 eth1