21.02.0-rc1

killall: telnetd: no process killed
Sending TERM to remaining processes ... logd rpcd netifd odhcpd uhttpd ntpd dnsmasq luci sh ubus ubusd urngd
Sending KILL to remaining processes ...
Switching to ramdisk...
Performing system upgrade...
Reading partition table from bootdisk...
0+1 records in
0+1 records out
zcat: write: Broken pipe
Reading partition table from image...
5592+1 records in
5592+1 records out
partx: /dev/mmcblk0: error deleting partition 2
partx: /dev/mmcblk0: error adding partition 2
Upgrade completed
Rebooting system...
umount: can't unmount /dev: Resource busy
umount: can't unmount /tmp: Resource busy
[   51.948549] reboot: Restarting system

U-Boot SPL 2015.10-rc2 (Aug 18 2016 - 20:43:35)
High speed PHY - Version: 2.0
SERDES0 card detect: PEX