A workaround for my case was to bind to the IPv4 address explicitly:
In /etc/default/tftpd-hpa:
TFTP_ADDRESS="0.0.0.0:69"
A workaround for my case was to bind to the IPv4 address explicitly:
In /etc/default/ tftpd-hpa:
TFTP_ADDRESS= "0.0.0. 0:69"