Hello there, I got error when creating ip6 tunnel device on a rhel-8.0.0 system.
Here are the steps to reproduce the issue. # # uname -r 4.18.0-80.el8.x86_64 # dnf install -y libcap-devel bison flex git gcc # git clone git://git.kernel.org/pub/scm/network/iproute2/iproute2.git # cd iproute2 && git log --pretty=oneline --abbrev-commit d0272f54 (HEAD -> master, origin/master, origin/HEAD) devlink: fix libc and kernel headers collision ee09370a devlink: fix format string warning for 32bit targets 68c46872 ip address: do not set mngtmpaddr option for IPv4 addresses e4448b6c ip address: do not set home option for IPv4 addresses .... # ./configure && make && make install # ip -6 tunnel add ip6tnl1 mode ip6ip6 remote 2001:db8:ffff:100::2 local 2001:db8:ffff:100::1 hoplimit 1 tclass 0x0 dev eno1 ---> please replace eno1 with the network card name of your system add tunnel "ip6tnl0" failed: File exists Please help take a look. Thanks! Br, Jianwen
