- ip link set $TAP address $MAC #&> /dev/null
- ip link set $TAP up #&> /dev/null
- ip addr flush dev $TAP 2>&1 | grep -v -x '^Nothing to flush.' #&> /dev/null
- ip addr add $VPN brd $BRD dev $TAP #&> /dev/null
+ ip link set $TAP address $MAC
+ ip link set $TAP up
+ ip addr flush dev $TAP 2>&1 | grep -v -x '^Nothing to flush.'
+ ip addr add $VPN brd $BRD dev $TAP